Answer:
Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
if my answer helps you than mark me as brainliest
Explanation:
wow i did not think but its the 5th one bud are you dumb
Answer:
B, D, and E
Explanation:
First, the formula for the area of a circle is 

Since pi is equal to 3.14, all we need is the radius squared. Since your radius is 12,
=144. Therefore, your equation for <em>area</em> will be (3.14)(144), answer B.
Second, the formula for the circumference of a circle is
.
So, 2(3.14)(12), answer D.
Edit: Answer E also says the same as above- it just multiples the 2 and the 12 together. Sorry for the initial error!