A. TRUE
These are grouped as the term "gonadotropins" because they affect the gonads.
Answer:
To stay inflated, the lungs rely on a vacuum inside the chest. The diaphragm is a sheet of muscle slung underneath the lungs. When we breathe, the diaphragm contracts and relaxes. This change in air pressure means that air is 'sucked' into the lungs on inhalation and 'pushed' out of the lungs on exhalation.Explanation: hope this helps
The GTS is a system of chronological purpose of dating it is similar to geological stratigraphy at times.
Hydrogen and helium are the two most abundant elements in the sun.