Explanation:
if we will grow huge number of trees and other plants the oxygen level will increase because tree produce oxygen during the process of photosynthesis and if one gases level will increase then other will also decrease...
hope it helps
<span>It is a nerve agent. Or chemical asphyxiant. An example is Hydrogine Cyanide. </span>
1.) B it is not d because it shows a growth in the beak size, it didn't say anything about the birds having larger beaks just that the size increased
2.) A
p=.5 q=.5
q^2=.25 p^2= .25 2(pq)= .5 everything added up is 1.0 so we good
so q^2, which is the recessive gene or gg, is 25 percent