There are many risks associated with nuclear power. Which is NOT a risk associated with nuclear power?A) reactor accidents
B) renewable energy source
C) water contamination near plants
D) radiation exposure can cause cancer

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The process shown in this diagram contributed great amounts of heat to the young planet Earth and is best known as radioactive
A) decay.
B) fission.
C) fusion.
D) isotope.

(Diagram in attachments)
There are many risks associated with nuclear power. Which is - 1

Answers

Answer 1
Answer: Renewable energy source 

Radioactive Decay

Hope it helps.
Answer 2
Answer: 1. I think is letter b.
2. I thinks it's letter c.

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What is the reason there is a belt of asteroids between Mars and Jupiter?

Answers

We don't know.  It could be material that just couldn't condense
into a planet in that region. 

(In fact, the way the planets are arranged, it turns out that the
average distance from the sun to the center of the asteroid belt
is exactly where we would expect to find a planet.)

If the asteroids are actually material that failed to condense into a
planet, then the huge gravity of Jupiter might have been responsible
for keeping the material disturbed.
Its due to Jupiter's huge huge gravitational pull 

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Character trait, physical trait, or an appearance.

Draw arrows to show how the forces of thrust,drag,and Gravity act on a racing car as it moves forward

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2 images attatched below
\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/

A 2-kg object is moving horizontally with the speed of 4m/s. How much net force is required to keep the object moving at this speed in this direction?

Answers

Force is only required to CHANGE speed or direction ... not to maintain it.

The net requirement is zero.
(in any direction)

How is Ohm's Law related to house fires?

Answers

I got my bachelor's degree in Electrical Engineering in 1973, and 
I have worked with electricity and electronics during the 43 years
since then.  Maybe I'm missing something obvious, but I can't think
of any connection between Ohm's Law and house fires.  I'm really sorry.

While performing an experiment involving a reaction between two chemicals, the scientist observes that the reaction container has become warm. The observation is an example of:

Answers

Explanation:

In an exothermic reaction, heat is released into the surroundings. In this type of reaction, energy of products is less than the energy of reactants.

In an endothermic reaction, heat is absorbed by the reactant molecules. In this type of reaction, energy of products is more than the energy of reactants.

Therefore, we can conclude that while performing an experiment involving a reaction between two chemicals, the scientist observes that the reaction container has become warm. The observation is an example of exothermic reaction.

When an object is becomes warm its an example of exothermic reaction.