A
The independent variable in an experiment is the variable that influences the other variable called the dependent variable. The independent variable is therefore manipulated to ascertain its effect on the dependent variable.
Explanation:
In this experiment, the air temperature is the independent variable because it is being manipulated to check its effect on the plant's photosynthesis. Probably, the higher the air temperatures, the higher the rate of photosynthesis and vice versa. The rate of photosynthesis is the dependent variable and is what is being measured as the air temperature is being controlled.
Learn More:
brainly.com/question/11719274
#LearnWithBrainly
The <span>movement </span>of the leg muscles as the leg is bowed and fixed in frogs is brought about by the rectus or frontal thigh muscles. When they get, the leg rectifies and cause a withdrawal in the biceps. This then causes a draw of the leg back towards the body.
Light and heat are all energy forms.
They are also interconvertible meaning that you can convert light energy to heat energy and vise versa.
Hey You!
It lasts about 90 minutes for a normal person.
