Which of the following produces changes in sea surface temperature, ocean circulation, and atmospheric pressure that occur in cycles over several years? O A. Global climate change B. El Niño and La Niña C. The melting of polar ice D. The coming ice age

Animal bodies (and even plant bodies for that matter) are complex enough that life couldn't exist without enzymes. enzymes are usually large, complex biological catalysts that are expensive to make. enzymes speed up the rate of chemical reactions without being used up during the reaction (they can be reused many times). they are highly specific in the reactions they regulate. knowing what enzymes are and how they function, why does this explain why complex life forms could not exist if there were no enzymes.

What occupation did muhammad have before the first revelation

As an asteroid comes close to earth, it's name will change to? apex