Example 1: Crushing a can.
Type of change:
Developmental – May be either planned or emergent; it is first order, or incremental. ...
Transitional – Seeks to achieve a known desired state that is different from the existing one. ...
Transformational – Is radical or second order in nature.
Does the Applications have high or low viscosity?
Pls help
Answer:
Applications of viscosity
The oil used as a lubricant for heavy machinery parts should have a high viscous coefficient. ...
The highly viscous liquid is used to damp the motion of some instruments and is used as brake oil in hydraulic brakes.
Blood circulation through arteries and veins depends upon the viscosity of fluids.
Explanation:
The picture below shows a flower experiencing phototropism, a type of growth movement.
Which of the following best explains the external stimulus that is causing the response in the picture?
A.
The plant, stimulated by light through the window, is responding by growing toward that light.
B.
The plant, stimulated by a need for water, is responding by its roots pushing out of the soil to search for water.
C.
The plant, stimulated by indoor air, is responding by growing toward the preferred outdoor air.
D.
The plant, stimulated by a need for growth, is responding by trying to leave its pot because of lack of space.
Scientists study the dark lines in a star's spectrum to identify _____.
the star's name
the age of the star
the star's origin
elements in the star
Answer:
the star's origin (i think)
Explanation:
Carbon monoxide (CO) _____.
is an element
is made of two oxygen atoms and two carbon atoms
increases in volume when compressed
is a compound made of oxygen and carbon
Help please giving brainliest
Answer:
3, 1, 5, 6, 2, 4
Explanation:
Amount of matter in an object = mass
Anything that has mass and takes up space = matter
Measure of the pull of gravity on an object = weight
Molecule with different atoms chemically united = compound
Chemical combination of two or more atoms = molecule
Smallest unit of matter = atom
What is a similarity between the ovule and the stigma?
Question 2 options:
The ovule and stigma both produce the plant's pollen.
The ovule and the stigma are both a part of the pistil.
The ovule and stigma both produce the plant's fruit and seeds.
The ovule and stigma are both located on the male reproductive part.
Answer:
The ovule and stigma both produce the plant's fruit and seeds.
Both the ovule and the stigma are a part of the pistil which is a female reproductive part of a flower.
What is a flower?
A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants . The biological function of a flower is to facilitate reproduction, usually by providing a mechanism for the union of sperm with eggs. Flowers may facilitate outcrossing resulting from cross-pollination or allow selfing when self-pollination occurs.
There are two types of pollination: self-pollination and cross-pollination. Self-pollination occurs when the pollen from the anther is deposited on the stigma of the same flower, or another flower on the same plant. Cross-pollination is when pollen is transferred from the anther of one flower to the stigma of another flower on a different individual of the same species.
Self-pollination happens in flowers where the stamen and carpel mature at the same time, and are positioned so that the pollen can land on the flower's stigma. This pollination does not require an investment from the plant to provide nectar and pollen as food for pollinators.
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Observe the activity in your classroom. You can observe people, objects in the room, parts of your actual classroom, to begin noticing changes in matter. Collect data for two examples of changes in matter. Use the Changes in Matter to determine if your examples are physical or chemical changes. Your answer should include a description of each food preparation, as well as evidence for which type of change it is. You can use this format:
Example 1:
Type of Change:
Evidence
Answer:
Microphones are a type of transducer - a device which converts energy from one form to another. Microphones convert acoustical energy into electrical energy. Different types of microphone have different ways of converting energy.
Explanation:
Which of the following statements is true?
Elements in the same period have similar properties.
Elements in the same group have the same number of electron shells.
The periodic table lists elements in ascending order of atomic numbers.
A molecule must be made of two or more different elements.
Think about the tools, maps, and models Scientist use to collect data. Describe some of these different weather instruments and how they are used to forecast weather.
Answer: Doppler radar, Satellite data, Radiosondes, Automated surface-observing systems,Supercomputers, AWIPS
Explanation:
WILL GIVE BRAINLIST
students set up three trials of an experiment to test the effect of the amount of water on beam plant growth. In each trial, five plants each receive one of three amounts of water. after one week, students measure the change in each plant's height. The table summarizes their data.
Temperature, density, and pressure ______________ (increases, decreases) as depth ____________ (increases, decreases).
Answer:
increase/increase
Explanation:
Which of the following best describes chicken noodle soup?
A.Element
B.Mixture
C.Compound
D.Solution
50PT
Valence electrons will either ______________ or ______________ to form molecules.
Answer:
ionic or covalent
Explanation:
The outermost electrons -- the valence electrons -- are able to interact with other atoms, and, depending on how those electrons interact with other the atoms, either an ionic or covalent bond is formed, and the atoms fuse together to form a molecule.
What is the disadvantage of using models to study the food web?
A. observations are made from inside the system
B. actual interactions are affected by the models
C. they cannot show all the interactions taking place
D. they cannot help and making predictions about a population
Answer:
Sorry for the late answer but it would be d :)
Explanation:
Answer:
C) They cannot show all the interactions taking place.
Explain how you could decrease the thermal energy of a can of soup you just took out of the pantry.
Answer:
Put the can in the refrigerato: Explanation: The thermal energy of a syst is proportional to the temperature in Kelivin. Therefore if the can has cooled, is has lost thermal energy.
Explanation:
Answer: put it in the refrigerator
Explanation: It will decrease because increasing an object's temperature decreases its thermal energy.
Marcus read that systems provide feedback, or the return of information. Feedback can either cause a change in the system or keep it stable. Melting glaciers are an example of positive feedback. Why is this considered positive feedback?
A. Melting glaciers would add more water to the hydrosphere, making it wetter.
B. Melting glaciers would change the land around it, speeding up erosion.
C. Melting glaciers would let the uncovered air and land warm, which speeds up the melting.
D. Melting glaciers would mean more ice at its top, which would slow the glaciers melting.
Notice the populations decrease as you go from the bottom of the food chain to the top. Why do you think this is so? PLZ HELP!!!!!
Answer:
it show the evolution of the animals
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Draw the Lewis Structure for Calcium, Oxygen, and Lead.
You need to find the amount of valence electrons that the element has in order to do a Lewis structure.
For example since Calcium has 2 valence electrons, i put two dots around the element symbol. You also can’t have more than 2 dots on 1 one of the element. Each element has 4 sides like a box.
Here are some great videos that explain it in further detail.
https://youtu.be/Sk7W2VgbhOg
https://youtu.be/Z6Hx_BAZeUw
Calcium is an alkaline earth metal with atomic number 20. It has two valence electrons. Oxygen is a non-metal with atomic number 8. It has six valence electrons. Lead is a metal with atomic number 82. It has four valence electrons.
Calcium (Ca):
Calcium is an alkaline earth metal with atomic number 20. It has two valence electrons.
Oxygen (O):
Oxygen is a non-metal with atomic number 8. It has six valence electrons.
Lead (Pb):
Lead is a metal with atomic number 82. It has four valence electrons.
Please note that the Lewis structures provided here show only the valence electrons (electrons in the outermost energy level) of each atom. These are the electrons involved in chemical bonding and interactions. The actual number of total electrons in each element can be found based on their atomic number.
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How might you use hard candy to model how magma forms new rock?
Answer:
well you can melt that hard candy and make it look like it's oozing out
Explanation:
Choose all the answers that apply.
Carbon-13 has an atomic number of 6. Carbon-13 _____.
is an isotope
has 7 neutrons
has two electron shells
has 7 electrons
is in period 2
Answer:
All the options are correct except "has 7 electrons"
Explanation:
Answer:is an isotope
has 7 neutrons
has two electron shells
is in period 2
Explanation:
In carbon -13
6 electron 6 proton and 7 neutrons are present it is present in second period it also has two shell
You eat a sandwich. What molecule does your cells need from this sandwich, and how does that molecule get from the sandwich to your cells?
Don't look anything up
Answer:
in a sandwich ELISA, the goal is to use antibodies to precisely quantify specific antigen present in a solution, such as antigen from a pathogen, a serum protein, or a hormone from the blood or urine to list just a few examples. The first step of a sandwich ELISA is to add the primary antibody to all the wells of a microtiter plate
Explanation:
Brainliest please
Which of the following are examples near a Convergent Boundary? (check all that apply)
A. Trenches may form here
B. The mid-Atlantic ridge
C. A rift valley may form here
D. Tall mountains may form here
CHOOSE ALL THAT APPLY
Answer:
b and c I'm pretty sure sorry if I get it wrong
Expensive to sort and transport (is what energy source?)
A. WInd
B. Solar
C. Nuclear
D.Geothermal
E. Biomass
F. Hydropower
G. Fossil fuels
When the following equation representing a reaction, is completed, the products are: Na2CO(aq) + 2HCl(aq)→
A. NaCl and H2O
B. H2O and CO2
C. NaCl, CO2, and H2O
D. NaCl, CO2, and H2
Answer:
answer of this question will option A hope it helps
A student determined that a 50mL sample of an unknown liquid had a density of 1 g/mL. A 100mL sample of the same liquid would have a density of 2 g/mL. True or false
Answer: False
Explanation: The density of the liquid will always be the same, no matter how much of the liquid you have.
For example, the density of the water in a pool is the same density as the water in a small cup.
Nitrogen (N) has an atomic number of 7 and an atomic mass of 14. Which of the following correctly shows the electron arrangement for nitrogen?
2, 7
2, 5
2, 2, 3
2, 8, 4
Answer:
B) 2,5 seems to be the correct answer
Explanation:
The atomic mass is 14, and the atomic number is 7. Knowing this, the atom must have 7 electrons. A and D are not correct because they both include a number that is not 7 if you add. B or C seem to be the best answers, I think it's B because C has the same number repeated twice in it. I might be wrong but I know that the answer has to be either B or C.
A thanks or a good rating would be appreciated :)
2,2,3 shows the correct electron arrangement for nitrogen.
What is an electron arrangement?An electron arrangement is the way in which electrons are arranged in an atom .
What is nitrogen?Nitrogen is a non-metallic element of Group 15 [Va] of the periodic table.Nitrogen is a colourless and odourless gas that is the most plentiful element in Earth's atmosphere and is a constituent of all living matter.In the electronic configuration of nitrogen the first two electrons will go to the 1s orbital. Since 1s orbital can only hold two electrons the next 2 electrons of nitrogen goes to the 2s orbital. The remaining three electrons will go in the 2p orbital.
Therefore, the electron arrangement of nitrogen will be 1s² 2s² 2p³.
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Which is the most likely to be reduced?
A. Cu2+
B. Fe3+ C. Fe2+
D. Zn2+
Answer: B. Fe3+ might be the answer
The ion Fe3+ will be most likely to be reduced.
What is reduction?The elimination of oxygen is referred to as reduction.
What is Fe3+?It will be name as iron ion. Its atomic number is 26. After loosing 3 electrons it will become Fe3+ .
It can be seen that iron atom will loose its electrons. The ion Fe3+ will be most likely to be reduced. In electrolysis, positive ions travel more toward the electrode. They will be decreased after receiving electrons and get easily reduced.
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Write the definition of digital in your words.
Will get brainliest.
Answer:
Digital is the numeric value of several codes. Digital is the technological advancement of a new era in which technology is constantly changing. Digital is easy access to life. Digital is the twenty-first century.
Explanation:
I hope this helps. This is what I feel digital means now.
Please help me-
A space shuttle is covered with two layers of carbon. The two layers are the same size and have the same number of molecules. When the space shuttle is sitting on the ground, the layers do not touch, as shown in the diagram above. When the space shuttle takes off, the layers move so that they are touching. Use the information in the diagram to answer the question.
How does the temperature of the outer layer compare with the temperature of the inner layer before the layers touch? What will happen after the layers have been touching for a while?
A.Before the layers touch, the outer layer is hotter than the inner layer. Once the layers are touching, the outer layer will transfer kinetic energy to the molecules in the cooler inner layer until both layers reach the same temperature, which will be in between their starting temperatures.
B.Before the layers touch, the outer layer is hotter than the inner layer. Once the layers are touching, the cooler inner layer will gain kinetic energy until the molecules of both layers have an energy of 90, because hotter things increase the temperature of cooler things.
C.Before the layers touch, the outer layer is cooler than the inner layer. Once the layers are touching, the inner layer will transfer kinetic energy to the molecules in the cooler outer layer until both layers reach the same temperature, which will be in between their starting temperatures.
D.Before the layers touch, the layers are different temperatures. Once the layers are touching, kinetic energy and cold energy will transfer between the molecules in the two layers until both layers reach the same temperature, which will be in between their starting temperatures.
Before the layers touch, the outer layer is hotter than the inner layer. Once the layers are touching, the outer layer will transfer kinetic energy to the molecules in the cooler inner layer until both layers reach the same temperature, which will be in between their starting temperatures. Hence option A is correct.
What is kinetic energy?Kinetic energy is defined as the amount of effort an object performs as a result of its motion. The capacity to perform work is kinetic energy's most significant quality of kinetic energy.
When a material is divided, radiation is used to transport the energy, which causes a gradual increase in interior temperature. When two materials are connected together, heat is transferred through conduction, rapidly raising the interior temperature.
Thus, before the layers touch, the outer layer is hotter than the inner layer. Once the layers are touching, the outer layer will transfer kinetic energy to the molecules in the cooler inner layer until both layers reach the same temperature, which will be in between their starting temperatures. Hence option A is correct.
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Help please its due in 2 minuntes.
Two plant reproductive parts are described below.
Part 1: The tip of the female reproductive part that receives pollen from the stamen
Part 2: The male reproductive part that produces pollen
Which statement is true about the parts?
Question 8 options:
Part 1 is the stamen and Part 2 is the pistil.
Part 1 is the stigma and Part 2 is the ovule.
Part 1 is the ovule and Part 2 is the stigma.
Part 1 is the stigma and Part 2 is the stamen.