To my knowledge, the answer is B
Chlorophyll molecules are contained inside chloroplasts, which are the food producers of the cell found in all green parts of a plant. Inside the chloroplasts, we also find thylakoid membranes, which contain photosystems. ... This process, called photosynthesis, is how plants convert sunlight into usable chemical energy.
The control group is the object that is untouched to see the difference. For example, you are trying to find what compost is better for plants. You have 3 plants and 2 different types of compost. you put one type in each plant except for one. The one without compost is called the control group.
Independent variable influences the dependent
dependent is depending on independent variable
example
the height of water is dependend on the independent variable of how much the sun evaporates
glacial recession is like icebergs melting
dependent would be the mass of the glacier because the others aren't influencable
answer is 1. glacial mass
uhmm...
I was expecting a multiple choice