John likes hiking he observes that whenever he hikes up a hill he breathe heavier than when he is on flat ground which two statements explain why this happened

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?

Actinobacteria sp. are fermenting organisms (which do you use oxygen to breathe) referred to as chemoorganohetereotrophs this means they break down organic material and convert it to inorganic material. which part of the carbon cycle does this describe

Patient has just received an organ transplant which treatment would be most effective in preventing the patient’s body from