The correct answer is climate. Many mass extinctions of life occurred due to major changes in climate. Climate change is as also known as global warming affects many things. It is causing the rising temperature of the Earth's surface due to human's abusive usage of things.
Answer: Vitamin K
<span>Coenzymes are small, nonproteinaceous molecules that work with an enzyme to initiate the function of an enzyme. They cannot function on their own and require the presence of an enzyme. An example is vitamin K, a fat-soluble vitamin that modifies protein to bind with calcium. </span>
They would be the primary producers. otherwise known as an autotroph. (makes their own food)
Temperature, viscosity, and amount of dissolved gases
