4.6 million years ago the earth had less green house gasses so the atmosphere was cooler rather than hotter.
Answer:
<em><u>ability to catalyze a reaction </u></em>
Explanation:
<em>Because it causes denaturation of the protein, but no chemical or electrical changes.</em>
During an emergency what you would usually want to do is a so-called threat and hazard analysis - C.
You would do this because you would want to observe and note which is a source of threat for you in a certain emergency situation. You would also to this to observe the possible hazards of doing a certain action/certain actions.
Jellyfish, Sponges and Worms are all invertebrates.
B because I’m pretty sure only whales and dolphins have blowholes
