How are desert and tundra biomes similar?

they both receive a lot of rain.
they both have short growing seasons.
they both have very hot climates.
they are both found near the equator.

I would say either 2 or 3

Explanation: they both have a scarcity for water meaning they only grow smaller shrubs and are pretty much just dry grasslands

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 : )

answer: b

coz red blood cells marrow and circulates the body for 120 days.