Answer:
It's important for a scientist to try to hold all variables constant except for the independent variable. If a control variable changes during an experiment, it may invalidate the correlation between the dependent and independent variable. When possible, control variables should be identified, measured, and recorded.
Answer:
The primary function of the pigment during the process of photosynthesis is to absorb maximum light energy which is necessary for the process
Explanation:
Kinetic energy is the energy that an object has because of its motion.
