Answer:
All of the above
Explanation:
The definition of ecosystem is "a biological community of interacting organisms and their physical environment." and all four of the answers fit the bill.
answer:
area = r² * π
40² *π
1600 * 3.142 = 5027.2 cm²
Explanation:
if the diameter is 80 then this is the asnwer , and the diameter divide it by 2 so u can find the radius
Explanation:
<h3>Step-by-step explanation:</h3>
