Answer:
Brain structures called the hypothalamus and pituitary gland control the menstrual cycle.
Explanation:
Clouds form when moist, warm rising air cools and expands in the atmosphere. The water vapor in the air condenses to form tiny water droplets which are the basis of clouds.
If trash were to somehow appear in the ocean, water would be polluted and animals would be poisoned and die.
There are many traits that are determined by genetics alone, blood type, eye color and height.
The complementary side would read TACGGCA