I think that A or C is the answer.
what is the texture of oxygen
please help!
An engineering team designs a rocket that flies faster and requires less fuel than other rockets. However, the rocket explodes the first time it is launched. Which step of the engineering process would have shown that there was a potential problem?
A.
Evaluate the results.
B.
Make a plan.
C.
Know the background.
D.
Do the work.
What if you were given a periodic table like the one above with no labels, just colors? How could you use the physical characteristics to identify an element as a metal, nonmetal, or metalloid?
Answer:
Just search it up...jkjk... The Periodic table is color coded so that even without labels we know wich are "Metalloid-Green" "Metal- Purple" "Nonmetal-Blue"
Explanation:
Yes plz give brailyest???
What part do the stamen and the ovule play in plant reproduction?
Question 7 options:
The stamen is the female reproductive part of the plant and it produces pollen.
The stamen holds the ovule and stigma together and produces pollen for fertilization.
When the stamen receives pollen from the plant, it is able to produce seeds and fruit.
When the stamen produces pollen, the ovule receives pollen to produce seeds and fruit.
Answer:
D. When the stamen produces pollen, the ovule receives pollen to produce seeds and fruit.
Explanation:
The stamen is the male reproductive organ of a plant and the ovule is a female reproductive part of a plant. (So we can rule out the first answer choice because stamen is in male plants not female plants).
The stamen produces pollen which sticks to pollinators such as bees when they land on the male plant. (So we can rule out the third one because pollen is produced by stamen and not received).
When the pollinators travel to female plants, the pollen gets deposited into the ovule which then produces seeds and fruit. (So we can rule out the second one because pollen is transported from one plant to the other by pollinators, not by the plants themselves).
Hope this is correct and helps!
I would appreciate it if you could give brainliest :)
The flowering plants reproduce sexually through a process known as the pollination. When the stamen produces pollen, the ovule receives pollen to produce seeds and fruit. The correct option is D.
What is pollination?The process of transfer of pollen grains from the male anther of a flower to the female stigma is defined as the pollination. It can occur either within a flower or between the flowers of the same plant or flowers of different plants.
The male sex organ of a flower is stamen and the female part is pistil. The anther of the stamen contains pollen which consist of the male gametes. The movement of pollen to the stigma causes reproduction.
The innermost part of a flower is called the carpel. It contains ovary where eggs or ovules are located. The pollen from anther enter the ovary and fertilize an ovule in order to develop a seed.
Thus the correct option is D.
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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.
Notice the populations decrease as you go from the bottom of the food chain to the top. Why do you think this is so?
1. Which force below is an attractive force that pulls objects together?
inertia
friction
air resistance
gravity
Please help .
Do light waves interact with all mediums the same?
Answer:
Light can be reflected, transmitted, or absorbed. You have read that EM waves can interact with a material medium in the same ways that mechanical waves do.
Explanation:
Sarcasm Challenge! answer the question the most sarcastic to get a Brainlyest!
"Give me an example of an idiot."
Answer:
You probably
Explanation:
How is a Mixture different from a Compound
30 points
Answer:
A substance that is comprised of more than one kind of atom reinforced together. Blend: A mix of at least two components or mixes that have not responded to bond together; each part in the combination holds its own properties.
Explanation:
Compound: A substance that is made up of more than one type of atom bonded together.
Mixture: A combination of two or more elements or compounds which have not reacted to bond together; each part in the mixture retains its own properties
An aluminum atom can lose 3 electrons in order to have a full outer energy level. What charge does the resulting aluminum ion have?
Answer:+3
Explanation: remember negative goes with positive and vise versa
Help please giving brainliest
Answer:
i think protons and neutrons
Explanation:
im not sure tho
Answer:
Atomic mass is calculated by adding the masses of protons and neutrons in a given atom of an element.
Explanation:
For any given isotope, the sum of the numbers of protons and neutrons in the nucleus is called the mass number. This is because each proton and each neutron weigh one atomic mass unit (amu). By adding together the number of protons and neutrons and multiplying by 1 amu, you can calculate the mass of the atom.
Atomic mass is (just slightly less than) the sum of the masses of protons and neutrons in a given atom of an element.
hope this helps and is correct! :)
which molecules from food and air end up in the cells in the body? choose all the apply- NEED URGENT 10 points!
Does anyone know how to finish this?
Which of the following statements is incorrect?
Select one:
An allele is a type of gene.
DNA is a part of a trait.
Traits are determined by alleles.
A gene is a part of DNA.
Please help me with this question!
Am I right?
The measurement of electrical power is called _____.
a. horsepower
b. light
c. watts
d. shock
Answer:
c. watts
Explanation:
idbduxhwbx8x dbz9sn
Answer:
watts
Explanation:
hope this helps !
~jolisaevita
Which statement describes the moment magnitude scale?
It measures only small earthquakes.
It collects data using a seismograph.
It shows only the strength of seismic waves that were produced.
It determines the amount of damage caused by an earthquake.
Answer:
It shows only the strength of seismic waves that were produced.
Explanation:
Answer:
B). It collects data using a seismograph.
Explanation:
I thought it was it was choice 3 as well but i took the quiz and it turns out to be B
The accepted value for R is 0.08206 L·atm/K·mol or 8.314 L·kPa/K·mol, depending on the unit of pressure used. (Your answer may differ slightly due to rounding.)
How close was your calculation?
Answer:
09.Yl/K.2.Pa/La
Explanation:
(a) The ideal gas constant in Liters, atmosphere, per kelvin per mole is 0.08206 L·atm/K·mol .
(b) The ideal gas constant in Liters, kilopascal, per kelvin per mole is 8.314 L·kPa/K·mol
Ideal gas constant in L.atm/K.molThe ideal gas constant in Liters, atmosphere, per kelvin per mole is determined as follows;
PV = nRT
R = PV/nT
At standard condition;
P = pressure = 1 atmV = Volume = 22.4 L n = 1 mole of gasT = temperature = 273 KR = (1 x 22.4) / (273 x 1)
R = 0.08205 L·atm/K·mol
Ideal gas constant in L·kPa/K·mol,R = PV/nT
At standard condition;
P = pressure = 101.325 kPaV = Volume = 22.4 L n = 1 mole of gasT = temperature = 273 KR = (101.325 x 22.4) / (273 x 1)
R = 8.314 L·kPa/K·mol
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Expensive to sort and transport (is what energy source?)
A. WInd
B. Solar
C. Nuclear
D.Geothermal
E. Biomass
F. Hydropower
G. Fossil fuels
pppppppppppppppppppppppppppppppppppppplllllllllllllllllllllllllllllllllllllllllllllllllllzzzzzzzzzzzzzzzzzzzzzzzzzzzzz
help me on science
Jaden has a mass of 45 kilograms on Earth. Jupiter has more gravity than the Earth. On Jupiter, Jaden's mass will be _____.
45 kilograms
more than 45 kilograms
less than 45 kilograms
Answer: 45
Explanation: The mass of the object remains same everywhere.It does not change in any of the location. Hence, Jaden's mass will be 45 kg on Jupiter.
The force needed to make an object with a mass of 5kg accelerate at 10 m/sec2 = Question 5 options:
500 Newtons 50 Newtons
100 Newtons 10 Newtons
Explanation:
Here, mass = 5kg acceleration = 10m/s^2according to the question ;F = m×a ( from 2nd law of motion)F = 5kg × 10m/s^2F = 50kgm/s^2 or NEWTON SO THE FORCE NEEDED IS 50 NEWTONI HOPE THAT THIS ANSWER HELPS YOUAt 1:00 P.M., the air temperature was 78°F, and air pressure was 30.0 inches of mercury with partly cloudy skies. By 4:00 P.M., the temperature dropped to 62°F, and the pressure dropped to 29.5 inches of mercury. Which best predicts the weather for later that afternoon? pls help im about to get killed by my teacher giving out brainiest to fastest answer THAT GOES WITH DA QUESTIONNN
HELP ME!!- What if you were given a periodic table with no labels, just colors? How could you use the physical characteristics to identify an element as a metal, nonmetal, or metalloid?
Answer:
Identify it in the categories, such as Row 1, row 2, and so on.
Explanation:
I'm not in the mood for science, but helping is caring to me.
Friendly guy that likes to help
Answer:
just look at the periodic table below.
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:
All moving objects have what kind of energy?
Answer:
Kinetic energy. All moving things have kinetic energy, even very large things like planets, and very small ones like atoms.
Internal energy. All objects have internal energy.
Elastic potential energy. Some objects can change shape reversibly. ...
Gravitational potential energy. ...
Electrical energy. ...
Magnetic energy. ...
Explanation:
Question 4 options:
_____________ use an element's symbol and show valence electrons
Answer:
Lewis dot symbol is the answer.
One property of metalloids not shared with metals or nonmetals is that metalloids are _________.
One property of metalloids not shared with metals or nonmetals is that
metalloids are they are shiny like metals and brittle like non-metals.
Metalloids are elements which have some intermediate similarities to
metals and non metals. They are neither good or bad conductors of heat
and electricity and they exist as solids at room temperature.
Examples of metalloids include boron. silicon, germanium etc and they are
brittle and shiny elements which gives them a distinctive physical
appearance.
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A chemist mixed two substances together: a colorless liquid with a strong smell and a white solid with no smell. The substances’ repeating groups of atoms are shown above on the left. After they were mixed, the chemist analyzed the results and found two substances. One ending substance had the repeating group of atoms shown above on the right.
Is the ending substance the same substance as the colorless liquid? What happened to the atoms of the starting substances when the ending substances formed? Be sure to explain your answers to both of these questions.
Answer:
The ending substance is the same as the colorless liquid.
Explanation: