A landscaper is shopping for landscaping materials. She wants to use materials through which water flows easily. Which two materials should she choose?
A. clay and gravel
B. gravel and loosely packed soil
C. granite and rocks with cracks
D. rocka with cracks and clay

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

i hope this : )

emerging idea only occurs as a raw idea that could appear out of nowhere. meanwhile, to reach scientific consensus , that idea must be structured and tested over and over again through various experiments. the scientific consensus transforms the raw idea into idea that is more reliable through the process of scientific elimination.