Which causes a drop in female hormone levels?

the onset of the menstrual flow

if an egg is released from the ovary

if the uterine wall thickens

if the egg is not fertilized

I will give brainliest!

Josh picked up a rock from the sea bed. it was easy to lift. it felt much heavier when he carried it up to the beach. Why did the stone feel lighter when it was under the water?

The nurse is educating a client who is about to undergo a stem cell transplant mentioning that a single stem cells can give rise to many cells needed for normal tissue repair.

Latoya performs an experiment using the lab equipment shown. Which two properties is Latoya most likely measuring? mass and volume volume and temperature temperature and length length and mass

Why do you think the snowy owls only appear when lemming numbers have fallen? (Hint: climate and decomposers.)

Which observation proves that a cell is a eukaryote? A. The cell has a cell membrane. B. The cell contains a nucleus. C. The cell uses ribosomes to create protein. D. The cell contains DNA

A hypothesis that in non-falsifiable is?

What is the difference between a meteor and a meteorite? A meteor has more mass A meteorite reaches Earth and has not burned up A meteorite orbits the sun and a meteor does not A meteorite glows

How does global warming affect the temperate deciduous forest

Why do mutations make such a large contribution to bacterial genetic variation?

What part of a childs brain is resposible for licking and eating reflexes?