where is the potential energy of a swing the greatest?

question 2 options:

at the top

at the bottom

in the middle

when the child is moving the fastest

Explain to someone who knows nothing about fossils the study of invertebrate paleontology and how it scientists understand the history of the earth. be sure your explanation contains a minimum of two complete sentences.

What are the applications of electromagnetic waves

If a balloon is taken outside on a very cold day, what will occur?