Answer: 1
Explanation: because that the bar graph that goes. higher then 30
Layers of fossils in pillars, the rock covering them is dated and we get an exact time of each layer.
Answer:
a To provide cows and other live stock with vaccines so diseased do not spread among farmers and cattle herders.
Explanation:
because that one makes the most sense and it is true
Answer:
some forest are really affected by activity because polluted they put trash in the water and they never clean it up and the animal life are getting sick and they are dying this does affect diversity because animals can die if we have polluted waters
Explanation: