What causes wind?
A.
differences in land elevation on a continent
B.
air flowing from a high pressure area to a low pressure area
C.
gravity pull caused by the moon moving farther away from the earth
D.
the angle at which the rays from the sun hit the atmosphere

The correct answer is B. Air flowing from a high pressure area to a low pressure area. Hope this helps! Be safe!

1. a tropical dry forest carries out more rapid nutrient cycling

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.