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Mademuasel [1]
3 years ago
5

Can anyone help with this problem ?

Biology
1 answer:
snow_lady [41]3 years ago
7 0

Answer:

Producers

Explanation:

Autotrophs make their own food from chemical or light energy sources.

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kjkhjhjhhhj

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2 years ago
Where would the rate of erosion caused by water and gravity be the fastest? A. down the slope of a tall mountain B. down a hills
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The correct answer is D

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grin007 [14]

The gravitational potential energy of Sara at the given height is 10594.8J.

Given the data in the question;

  • Mass of Sara; m; = 60kg
  • Distance from ground; h = 18m
  • Acceleration due to gravity; g = 9.81m/s^2
  • Gravitational potential energy; U = \ ?

<h3>Gravitational Potential Energy</h3>

Gravitational potential energy is the potential energy an object with mass posessses relative to another object with mass due to gravity.

It is expressed as;

U = mgh

Where m is mass, h is height and g is acceleration due to gravity.

To determine the gravitational potential energy of Sara, we substitute our given values into the expression above.

U = mgh\\\\U = 60kg * 9.81m/s^2 * 18m\\\\U = 10594.8kgm^2/s^2\\\\U = 10594.8J

Therefore, the gravitational potential energy of Sara at the given height is 10594.8J.

Learn more about gravitational potential energy: brainly.com/question/3910603

8 0
2 years ago
Since we cannot see magnetic forces, what do scientists and engineers use to show them on a magnetic model?
Reika [66]
You can use a plotting compass or iron filings to detect a magnetic field:

1.put a piece of paper over a magnet (this stops the iron filings sticking to the magnet)

2. sprinkle iron filings onto the paper

3.gently tap the paper to spread the filings out

4.observe and record the results
4 0
2 years ago
1. How many stomachs does a crayfish have? What are they called?
sladkih [1.3K]

Answer:

It is called "Gastric Mill" They have 3 stomachs

Explanation:

The teeth are part of a system called the “gastric mill.” Through rhythmic movements of these large teeth, of which there are three, their stomachs can actually crush food as a prelude to further digestion.

4 0
2 years ago
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