An element is defined by its number of what?

protons

electrons

neutrons

all particles

What is the minimum pulse ox reading the emt wants to maintain in the patient with spontaneous breathing?

What is the correct level of organization? Population, organisms ecosystems, community

Michelle has been given a microscope slide that contains a eukaryotic cell and a prokaryotic cell. What should she look for to distinguish the eukaryotic cell from the prokaryotic cell? A. cytoplasm B. nucleus C. cell membrane D. ribosomes

If you had four blue cards, four red cards, and four yellow cards in a deck, what are the chances of drawing a blue card on your first try? A. 1/16 B. 1/3 C. 1/4 D. 1/12

Difference between a virus and a parasite

Would a person be squashed by extreme gravity, float with ease, freeze, burn up, or something else

According to "Life Without Gravity," why can astronauts' muscles become weak? A. Without gravity, the blood is rerouted from the legs to the head. B. Without gravity, the body "grows" by as much as several inches. C.

What type of igneous rock has two distinct grain sizes indicating two stages of cooling

A certain type of diploid organism has 38 chromosomes. how many chromosomes would a gamete of this organism have?

Griffith, in his 1928 experiments, demonstrated that bacterial strains could be genetically transformed. The evidence that DNA was the "transforming principle" responsible for this phenomenon came later.