A25 foot long ladder is propped against a wall at in angle of 18 with the wall how high up the wall does the ladder reach

for e2020 its the second option

Explanation:

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 : )

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint