At the beginning of the follicular phase, the lining of the uterus (endometrium) is thick with fluids and nutrients designed to nourish an embryo. If no egg has been fertilized, estrogen and progesterone levels are low. As a result, the top layers of the endometrium are shed, and menstrual bleeding occurs.
Answer:
Flattened tails are better for swimming than rounded tails.
Because phospholipids have 2 parts. One is hydrophilic, the other is hydrophobic, so when it wants to survive , it has to be 2 layer, hydrophilic parts are the outside parts.
Answer:
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Explanation:
The gravity on Jupiter is greater than the gravity on Earth because Jupiter is more massive. Although Jupiter is a great deal larger in size, its surface gravity is just 2.4 times that of the surface gravity of Earth. This is because Jupiter is mostly made up of gases.