The bar graph compares the percent of cell volume occupied by mitochondria for several kinds of specialized cells. What can be inferred using this data? A) Heart cells need to be much larger than liver or pituitary gland cells.

B) Heart cells use more energy than liver or pituitary gland cells.

C) Heart cells are more common than liver or pituitary gland cells.

D) Heart cells produce proteins at a lower rate than liver or pituitary gland cells.

Why are carbon dioxide concentrations expected to increase? a carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase b. carbon dioxide concentrations are expected to increase, because of an increase in agriculture. c.carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use. d. all of the above select the best answer from the choices provided mark this and return save and exit next submit submit