Match each climate zone with its description. 1. tropical
2. subtropical
3. Temperate
4. Polar
This zone is the hottest.
Most of the US is in this zone.
Most deserts are along this zone.
This zone is the coldest.

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.

satellites are frequently used to make observations of the orbit on earth