It was formed from the remains of ancient plants and animals.
True. The correct option is C.
<h3>Energy transfer in the ecosystem</h3>
Energy is transferred from lower to higher trophic levels of the food chain in any ecosystem.
In other words, energy is transferred when primary consumers feed on producers, when secondary consumers feed on primary consumers, and so on.
However, when energy is transferred through feeding from lower to higher trophic levels, a certain percentage of the energy is lost to the surroundings as heat.
In actual fact, scientists believe that about 90% (and not 30%) of the energy is lost as heat to the surrounding. Only about 10% of the energy is converted to useful energy.
More on energy transfer in the ecosystem can be found here: brainly.com/question/15896675
#SPJ1
They felt that the war could be risky <span />
The number who reach sixty years of age will be higher because first of all, there will more and better health services available and the life expectancy of people is expected to rise.
When a yeast cell undergoes fermentation it produces ethyl alcohol, lactic acid and oxygen gas .
