Object a has a mass of 12 g and a volume of 8 cm? object b has a mass of 20 g and a volume of 8 cm". which object has a greater density and by how much?

Why is it incorrect to say that mitochondria function only as energy factories with cell

Agroup of plant cells was exposed to radiation, which damaged the chloroplasts and caused them to lose function. if the mitochondria were unharmed, what would happen to the overall function of the plant cells? a. the cells would not be able to make food, but would be able to release energy from biomolecules. b. the cells would not be able to replicate dna, but would be able to break down waste. c. the cells would not be able to break down waste, but would be able to replicate dna. d. the cells would not be able to release energy from biomolecules, but would be able to make food.

Which structure in the cardiovascular system connect arteries to veins?