A ecosystem productivity is a rate of generation of biomass.’’I know this because it states.”In economy productivity refers to the rate of generation of biomass in an economy.This shows that the economy its usually expressed in units of mass per unit.
tRNA( Transfer RNA) molecules carry amino acids to the site of protein synthesis
Explanation:
Proteins are the building blocks of the cells. The process of protein synthesis involves transcription and translation of the genetic information stored in the DNA. After the process of transcription which is the process to get RNA molecules from the DNA. After this process, during protein synthesis tRNA carries amino acids to the ribosomes is the structure where protein synthesis takes place.
The answer to this question would be letter C because a dependent variable depends on the project. For instance, If there is a scientist trying to see which plant will grow the fastest just using water. The plant depends on the water. hope this helps!
<span>Any physical or psychological event that produces stress</span>