In an experiment, a scientist decides to study the effect of exercise on cholesterol levels in people. He studies to set up people-those who exercise everyday for an hour and those who don't exercise at all. In this case, the statement that people who exercise for an hour may have lower cholesterol levels is: A. a hypothesis
B. a law
C. an observation

to test the statement, the scientist would measure cholesterol levels in exercisers and non-exercisers. The cholesterol levels would be:

A. a dependant variable
B. an independent variable
C. qualitative data

cuz he is really really short, assuming an unorthodox and inherently unlucky configuration of elevator buttons…

explanation:

"menstrual cycle is a complex cycle that consists of several processes. order of occurrence of steps in menstrual cycle are as follows:

1. high progesterone levels maintain the endometrium lining of the uterus.

2. endometrium lining breaks down and low levels of estrogen stimulate the pituitary to release fsh and lh.

3. fsh and lh stimulates the follicles to develop and the oocyte to produce estrogen.

4. rising estrogen levels suppress fsh production and development of other follicles.

5. a spike in lh causes follicle to rupture.

6. a breakdown of corpus luteum causes progesterone level to drop."

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

here's your answer.