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Diano4ka-milaya [45]
3 years ago
10

An environmental scientist gives a demonstration on composting. Roger is in the audience. He wonders how composting discarded fo

od waste helps to slow climate change. What question should he ask to get his answer?
Select one:

a.
Will composting save money for my family?

b.
Does composting attract unwanted rodents?

c.
Can composting help more trees to grow?

d.
Does composting smell better than rotting trash?

e.
How many pounds of plastics does a typical family recycle in a month?
Physics
1 answer:
Wittaler [7]3 years ago
4 0

Answer:

A

Explanation:

I just did the test

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B. how does the separation between galaxies compare to the separation between stars? based on your answer, discuss the likelihoo
leva [86]
Galaxies are much further apart than stars. This is the reason why they are less likely to collide and the likelihood of galactic collision is much smaller  than the likelihood of stellar collision. Example for galaxy collision is the collision of the Milky Way galaxy with Andromeda. It is estimated that the collision will be <span>in about 4.5 billion years. </span> 
4 0
4 years ago
A spring is hung from the ceiling. When a block is attached to its end, it stretches 2.6 cm before reaching its new equilibrium
Kaylis [27]

Answer:

f = 3.09 Hz

Explanation:

This is a simple harmonic motion exercise where the angular velocity is

         w² = \frac{k}{m}

to find the constant (k) of the spring, we use Hooke's law with the initial data

         F = - kx

where the force is the weight of the body that is hanging

        F = W = m g

we substitute

        m g = - k x

        k = - \frac{m g}{x}

we calculate

        k = - \frac{9.8 m}{- 2.6 \ 10^{-2}}

        k = 3.769 10² m

we substitute in the first equation

       w² = \frac{ 3.769 \ 10^2 \ m }{m}

       w = 19.415 rad / s

angular velocity and frequency are related

       w = 2πf

        f = \frac{w}{2\pi }

        f = 19.415 / 2pi

        f = 3.09 Hz

7 0
3 years ago
Which statement is the correct representation of these electric field lines?
irinina [24]
C . plate a is negatively charged and plate b is positively charged
6 0
3 years ago
Read 2 more answers
Number 3,4, 6, and 8
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1. When the object is waiting to be released, it is storing a lot of potential energy. When it is released, the potential energy that was once stored is converted into kinetic energy.

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3 years ago
Accurate forecasts require careful study of the location, size, movement, and characteristics of large _____.
tankabanditka [31]

Answer: B air masses

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3 years ago
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