The correct answer is A, <span>When particles pass close enough to one another, their attractions pull them together, and then they bounce apart with no gain or loss of energy.</span>
Explanation:
Since scientists think planets and meteorites were made at the same time and in the same place, it seems logical that whatever a meteorite is made of is also what planets are made of.
Answer:

Explanation:
Hello!
In this case, given the mass, temperature change and specific heat, it is possible to compute the required heat in joules as shown below:

Now, since 1 cal =4.184 J, this result in calories is:

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