Answer: yup. That, and water or air.
Explanation:
The answer is B, decomposers.
experiment to determine how the type of food source available affects the rate of cellular.
A cell surface protein is a proteins that is embedded in or span the layer of cell membranes of more complex organisms. These proteins are integral to the way in which a cell interacts with the environment around it, including other cells.
They are called "products".