Answer:
1.Mercury, Venus, Earth and Mars
2.global warming and climate change; water pollution and ocean acidification; and loss of biodiversity.
3.
I believe the answer you're looking for is Southwest Asia, looking at a climate map, the drier areas are located to the southwest.
Explanation:
1-true
2-false (mainly aztecs used this technique)
3-true
4-true
5-false (we don't see slavery like we used to so false)
6-false (1808-1826 is when they started to become independent)
(hope this helps. I would say research 2 and 5 if you still want better answer. Have a great day!)
