Gas molecules across the membrane
It can be water molecules as well
Answer:It produces antigens which stimulate a fever.
Explanation:
Answer:
In humans, gametes are haploid cells that contain 23 chromosomes, each of which a one of a chromosome pair that exists in diplod cells.
B because the periodic table tells you the groups of the elements
Answer:
The alkali metals lithium, sodium, potassium, rubidium, cesium, and francium constitute group 1 of the periodic table. Although hydrogen is in group 1 (and also in group 17), it is a nonmetal and deserves separate consideration later in this chapter.
Elements: Francium; Lithium; Potassium; Rubidium...
Explanation: