Answer:
ok
I speak without a mouth and hear without ears. I have no body, but I come alive with wind. What am I?
You measure my life in hours and I serve you by expiring. I’m quick when I’m thin and slow when I’m fat. The wind is my enemy.
In my opinion it's D.)
Explanation:
1. Being able to cool down
2. Being able to heat up
3. Shorter limbs, to be able to conserve heat.
Source: Wikipedia
im sorry i will sentv this to my dad he will hwlp
The answer would be A