Answer: Mitochondria are organelles that make energy for a cell; they are inherited from ... In this chapter, we will look at the structure and function of the eukaryotic cell. ... to functions of a city to emphasize that all parts are needed. ... We begin by looking at ... cell, as he peered through a primitive microscope of his own construction.
Which of the following statements uses a connotative word to evoke the most negative feeling?
Mary’s mother complained that Mary’s bedroom was messy.
Mary’s mother complained that Mary’s bedroom was neat.
Mary’s mother complained that Mary’s bedroom was untidy.
Mary’s mother complained that Mary’s bedroom was disorganized.
What is an example of a reservoir?
1. Beach
2. Cloud
3. Desert
4. Lake
I think that the best answer is Lake.
A reservoir (/ˈrɛzərvwɑːr/; from French réservoir [ʁezɛʁvwaʁ]; lit. 'storehouse') is, most commonly, an enlarged natural or artificial lake, pond, or impoundment created using a dam or lock to store water.
Please give brainiest if correct, would rlly appreciate it :D
Answer:
Lake
Explanation:
The meaning of reservoir is a large natural or artificial lake used as a source of water supply.
PROCESS OF ELIMINATION
____________________
A beach is not a reservoir.
Clouds have little water so we cannot do that.
Desserts have little to no water
That just leaves us with 4, (Lake)
What is the average kinetic energy of an object's particles?
Question 3 options:
Heat
Thermal Energy
Thermodynamics
Temperature
please include explanation
What is the average kinetic energy of an object's particles?
the answer is temperature
Which of the following metals is most reactive?
A. aluminum
B. sodium
C. copper
D. calcium
Answer:
A. aluminum
Explanation:
Aluminium is soft, lightweight and ductile with excellent thermal and electrical conductivity. It is highly reactive, though the metal is protected by a surface layer of inert transparent oxide (Al2O3) that forms rapidly in air, providing excellent corrosion resistance.
Rice in a bowl has a volume of 84 cubic centimeters and a mass of 63 grams . Calculate its destiny
Answer:
0.75
Explanation:
Answer:
0.75
Explanation:
How does freezing and evaporation affect salinity?
Choose ALL that apply
Select 3 correct answer(s)
Question 1 options:
When that water melts in the spring, the salinity decreases.
none of the choices
When ocean water evaporates, the salinity increases.
When ocean water freezes, the salinity of water increases.
How does gravity cause the solar system to move within the galaxy?
Gravity causes the solar system to move within the galaxy without any
issues and it is known as the strong bond that holds together entire galaxies
which includes the sun, moon, planets etc.
This keeps the planet revolving around the sun and ensures there is no
deviation from the line followed from the onset. If there is a deviation and
planets end up crashing into one another then the result will be very
disastrous and would lead to mass loss of lives.
Gravity also ensures that different planets and countries have a very different
type of climate due to the relative exposure of the planets/areas to the sun.
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Based on Newton’s 3rd Law of motion, if an archer shoots an arrow at the target, the action force is the bowstring against the arrow. Explain where the reaction force can be found.
Answer: the reaction force is the arrows push against the bow sting
Explanation:the two objects must react the same , bowstring and arrow.
PLEASE HELP!!!!
An object with a weight of 42 N is placed in a pool. The object displaces 37 N of water. The object will:
a) sink
b) be buoyed up
c) stay in place
Scientists discovered how to use x-rays over 100 years ago. They found that x-rays
could pass through soft parts of the human body but were stopped by hard body
parts. How do doctors use x-rays today?
A.to find injuries
B.to cure diseases
C.to prevent illnesses
D.to protect body parts
What is the best explanation for seasons?
1 point
A. The Sun orbits the Earth
B. The Earth spins once a day, causing day and night
C. The Earth is tilted, causing the incoming sun's rays to hit the rounded surface of the Earth at different angles in opposite hemispheres.
D. The Earth is father away from the Sun at times and closed at other times.
The pressure on an iceberg is greatest at the top of the iceberg. Question 2 options: True False
Answer:
false
Explanation:
If you were an engineer of an actual roller coaster, what information would you need to know to ensure that your coaster would be safe?
HElP thank you pLeAsE
Answer:
Cell membrane
Explanation:
I've done this before
The graph represents the percentages of salt water and fresh water on Earth. What is the percentage of salt water?
1. 3 percent
2. 50 percent
3. 97 percent
4. 100 percent
Answer:
97.
Explanation:
Though the exact number is 96.5, we can round it up since its 5. When rounding by 10, 5 or more rounds up and 4 or less rounds down. So rounding up of 96.5 is 97. 3)
The percentage of salt water is 97 percent on Earth. Hence, option (3) is correct.
What is water distribution on Earth?Saline seawater makes up the majority of the water in the atmosphere and on the surface of the Earth, with fresh water making up less than 1% of the total. The majority of the water on Earth is saline or salt water, with an average salinity of 35 ‰ (or 3.5%, or around 34 grams of salts in 1 kg of saltwater), though this fluctuates slightly depending on the amount of runoff absorbed from nearby land.
Over 97% of the water on Earth comes from the oceans and marginal seas, saline groundwater, and water from saline closed lakes, however no closed lake holds a large amount of water on a global scale. Except when evaluating water quality in arid places, saline groundwater is rarely taken into account.
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Water that is moving across Earth’s surface is called
erosion
sediment
runoff
precipitation
Answer:
I'm pretty sure the answer is runoff
Help me answer these, please. I GIVE CROWNS!! PLEASE!!
Answer: 1- A diagram showing the forces acting on the object.
2- The force vector describes a specific amount of force and its direction. You need both value and direction to have a vector.
3- A vector quantity has a direction and a magnitude, while a scalar has only a magnitude. You can tell if a quantity is a vector by whether or not it has a direction associated with it.
4- I don’t know
5- When two forces acting on an object are equal in size but act in opposite directions, we say that they are balanced forces
6- By applying an unbalanced force, you can change the motion of an object. Unbalanced forces can make an object at rest start moving, make a moving object stop, or change the direction and speed of the object.
7- If the forces on an object are unbalanced, this is what happens: a stationary object starts to move in the direction of the resultant force.
8- Imbalance or unequal force
9- The result is no motion. Balanced forces can cancel each other out. Any time there is a balanced force, the object does not move.
10- net force is the vector sum of all the forces that act upon an object.
RESTATE THESE
Explanation:
RESTATE!!!!
WILL GIVE BRAINLIEST IF YOUR RIGHT!!!! Please hurry
Answer:
1 = celsius 4 = watts 5 = displacement/time 6= distance/time
Explanation:
3= newtons 2= joules
Which of the following describes the correct order of layers in the sun’s atmosphere (moving outward from the sun)?
A.
chromosphere, photosphere, corona
B. hydrogen, helium, corona
C.
photosphere, chromosphere, corona
D. photosphere, chromosphere, solar wind
Answer:
C
Explanation:
Answer:
c or d
Explanation:
using this link, https://www.explorelearning.com/index.cfm?method=cResource.dspView&ResourceID=1053
Observe: Click Reset. Select Lights on and turn off Show rulers. Select Longitudinal waves. Check that the Amplitude is 10.0 cm, the Frequency is 1.00 Hz, and the Tension is 2.0 N. Set the Density to 1.0 kg/m, and click Play.
What is the motion of the hand?
Turn the lights off. What is the motion of the green dot?
Follow the motion of a single compression of the wave. How does the compression move?
Answer:
1 The hand is moving at a steady up and down motion.
2 The green dot is moving in a trait up and down motion
3 It is moving in a waving and calming motion
Explanation:
Which direction will heat be transferred?
Question 4 options:
From lower temperatures to higher temperatures
From higher temperatures to lower temperatures
Heat is never transferred, thermal energy is always constant.
In both directions equally
please include explanation
Answer:
From higher temperatures to lower temperatures.
Explanation: Heat goes from hot to cold. Never cold to hot.
How are both electromagnetic and mechanical waves used when people communicate with each other?
Electromagnetic and mechanical waves used when people communicate with each other, this done by an antenna(sender & receiver)
What is antenna ?An antenna is a metallic structure that produce or/and receives electromagnetic waves it is available in different shapes. There are different types of antennas which are Short Dipole antenna, Dipole antenna, Loop antenna, Monopole antenna.
when input of the Dipole antenna is connected to the electric signals having certain frequency. Due to change in the electric signal, there is fluctuation in polarity of dipoles in dipole antenna and that change in the dipole produces electromagnetic wave.
when electromagnetic wave is received by the dipole antenna, dipoles in the antenna get affected by electromagnetic waves, dipoles fluctuate at frequency of received electric signals and produces electric signals of same frequency as electromagnetic wave.
Sound wave is mechanical wave. sound wave is converted in electric signals by using microphone, it gets amplified and given to to input of the antenna(Transmitter). This antenna converts Electric signal into electromagnetic wave. This converted electromagnetic wave is received by another antenna(receiver). this antenna converts electromagnetic wave into electric signals, this signals are amplified and given it to the speaker.
Hence this is how people use electromagnetic and mechanical waves for communication.
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James loves music. What would be an experiment he could conduct?
Dance to a cool song and record heart rate.
Write a song
Record his heart rate while listening to different types of music and record/compare the results.
Answer:
Record his heart rate while listening to different types of music and record/compare the results.
Answer:
Record his heart rate while listening to different types of music and record/compare the results.
Explanation:
The amount of runoff in an area depends on all of the following except
amount of rain
the vegetation
wind dropping sediment
type of soil
Which component of a galaxy is found in the space between the stars and gives the appearance of bright, colorful clouds?(2 points)
1. Clouds
2. Gas
3. Object
4. Star
Answer:
stars
Explanation:
Answer: 4: stars
Explanation:
The most thrilling roller coasters usually contain vertical loops. What keeps the riders in their seats when they go upside-down?
Which factors affect the gravitational force between objects? Check all that apply.
difference in speed of objects
direction of movement of objects
distance between objects
masses of the objects
volumes of the objects
Answer:
difference between objects, volumes of objects, masses of objects
Explanation:
i think thats it
Answer:
Which factors affect the gravitational force between objects? Check all that apply.
difference in speed of objects ---- wrong
direction of movement of objects ----- wrong
distance between objects ---- correct
masses of the objects ---------- correct
volumes of the objects --- wrong
Explanation:
i risked my grade for this an hopefully people finds this helpful
Help me please it’s urgent
Answer:
I Think A But Im Not Sure About It
The gravity of Earth is attracting a person towards the center with 500N of gravitational force. The person is exerting a reactionary force on the Earth with how much force? Explain your thinking behind this.
Answer:
500n
Explanation:
Look in the comments. I d a r e y o u
Answer:
Where is the comments??
Explanation:
Answer:
ok
Explanation: