It decreases the population of certain animals
Active transport requires energy passive transport does not
This is only one part of the answer, but its important: high-altitude O2 absorbs much energy from the sun (including radioactivity), which forms the ozone layer. this process protects delicate molecules important to life - most notably dna
Answer:
2000
Explanation:
It is very close between 1990 and 2000, but from what I can see, 2000 had the least precipitation.
It can be passed down heck anything can be passed down it all has to do with your parent's genes