PLEASE HELP ME ANSWER THIS PLZ MARK BRAINLIST WHEN I CAN. Why is it important that you keep two variables constant (such as light level and color) while you're testing how a third variable(CO2 level) affects photosynthesis

The chromosomal structure that limits the number of cell divisions of a cell is the the chromosomal structure that limits the number of cell divisions of a cell is the kinetochore telomere histones centromere

What is a limitation of using a chemical formula, such as c6h1206, to represent a compound? the chemical formula does not show the types of elements that make up the compound. the chemical formula does not show how the atoms are connected to one another the chemical formula does not show the number of atoms of each element in a molecule. the chemical formula does not show the chemical symbols of the elements in the compound

Number and variety of living organism; includes genetic, species, and ecological types