D is not a requirement as good fuel can be in liquid as well as gaseous in nature
<span>A Catalyst changes the rate of a chemical reaction but will not be used up during the reaction.</span>
Answer: watery fluids in the body
<h2>Answer </h2>
Option C - Secondary Succession
<u>Explanation </u>
Secondary succession occurs in an ecosystem after a lava flow has completely covered the surface of an area of land. Secondary succession is a method originated by an incident that decreases an already organized ecosystem to a less group of varieties and secondary succession happens on pre-existing clay example forest fire, harvesting, hurricane, and similar. It is a succession is the type of succession which can take place after the destruction of the area. Examples include areas which have been cleared of existing vegetation.
Answer:its called photosynthesis
Explanation: