Respuesta :
depends on 42
subjecting an experimental group of plants to an atmosphere with a higher oxygen concentration
subjecting an experimental group of plants to an atmosphere with a higher carbon dioxide concentration
subjecting an experimental group of plants to a special soil that has been enriched with a new fertilizer
subjecting an experimental group of plants to air that gaseous nitrogen has been added to
Unless there are types of experimental design I'm not aware of,
she's measuring the rate of photosynthesis
she should keep sunlight consistent for all groups of plants
for her control group she should have plants that she is not testing any other possible photosynthesis factors on
and as independent variable, she should have groups of her factors.
she's measuring the rate of photosynthesis
she should keep sunlight consistent for all groups of plants
for her control group she should have plants that she is not testing any other possible photosynthesis factors on
and as independent variable, she should have groups of her factors.