Explanation:
i realy dont konw but you can still eaxplain
A biomass pyramid shows the total mass of the organisms that each trophic level occupies in an ecosystem. Usually, producers have a higher biomass than any other trophic level, but there can be lower amounts of biomass at the bottom of the pyramid if the rate of primary production per unit biomass is very fast.
Enzymes speed up chemical reactions within the body, including reactions in metabolism
Answer: C. 1.8
Steps:
25x = 45
x = 45/25
x = 1.8
