Parasite can be microscopic prokaryotes, nonliving viruses, or multicellular organism
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9. the history of life on earth is recorded in

What does the number 18.9984 represent in the image?

Jellyfish sometimes squeeze in the sides of their bodies. this pushes a stream of water from the back end of their bodies. according to newton’s third law of motion, how will this behavior affect of the jellyfish ?