Answer:
There are changes during different times of the year.
Explanation:
During summer and spring the CO2 levels will be lower because plants are taking in more of it
Constants are factors that are not changed in the experiment. Since the experiment is testing different colors of light on plant growth, light color is being changed, and is therefore not a constant. Hope this helps! :)
Answer:
B. bradycardia
Explanation:
Bradycardia, also known as slow heart rate, is usually slower than 60 beats per minute.
Hope this helps! :)
It does not absorb the green wavelengths of white light.