Answer:
B. Nuclear energy
this type of energy splits nuclei or combines them.
<span>D. multiplying by the quantity of 100. When you multiply a number by 100 your doing this :
1•100=100 or 20•100=2000.
A trick for this is just giving the number the 10, 100, or 1000's zeros.
Hoped I helped!</span>
Under natural conditions, most populations will stabilize at a level known as the carrying capacity of the ecosystem<span>. The carrying capacity is the maximum </span>number of organisms that an ecosystem can support<span> on a continued basis.</span>
Explanation:
Only 10% of calories will be transfered to the next higher level.
5000 * 0.1 = 500.
500 calories will transfer to the secondary consumers.