The answer is c because the precession of the ecliptic was component of a milankovitch cycle and is related to periodic ice ages through out history
The pituitary gland produces hormones such as the Follicle stimulating hormone (FSH) and Luteinising Hormone (LH)
Coal. -from my dad lol ill check
There are three major types of blood vessels: the arteries, which carry the blood away from the heart; thecapillaries, which enable the actual exchange of water and chemicals between the blood and the tissues; and the veins, which carry blood from the capillaries back toward the heart.
Apparently it is ATP as deduced from the last line of text and no model to refer to.