The Sun, like others stars, is a ball of gas. In terms of the number of atoms, it is made of 91.0% hydrogen and 8.9% helium. By mass, the Sun is about 70.6% hydrogen and 27.4% helium.
Answer:
Una célula vegetal contiene una gran vacoula única que se usa para almacenamiento y para mantener la forma de la célula. En contraste, las células animales tienen muchas vacuolas pequeñas. Las células vegetales tienen una pared celular, así como una membrana celular.
The answer is Bacteria
Prokaryotes are a microscopic single Celled organisms that has neither a distinct nucleus with a membrane nor other specialized organelles.
Answer: stroke volume
Explanation:
Stroke volume is the amount of blood ejected during ventricular contraction or for each stroke of the heart.
