(90 pts) pls where are fossils from the “cambrian explosion” found in the grand canyon? what type of environment did the organisms live in and how do we know? describe what these creatures may have looked like. explain in 2-4 sentences .

cambrian explosion happened about 550million years ago. grand canyon was formed by the Colorado river about 20million years ago so the fossils from the CE would be in the bottom half of the canyon.

the organisms lived in a marine environment for them to be trapped in sedimentary rocks n formed fossils. they would be multi-cell organisms and many of them no longer exist today.

according to kinetic-molecular theory, the following would not be considered an ideal gas:

a gas at very low volumes, when gas particles are very close together

a gas at very low temperatures, when gas particles have very little kinetic energy a gas

a gas with highly polar molecules that have very strong intermolecular forces

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