The correct answer should be because they want to establish a sense of time passing by and things changing over the course of time. Each new era is influenced by the previous one so the way time passes is important because as time passes by things change and the historians monitor it and record it in a chronological order.
One way, only. From producer and up.
~Hope this helps!
It makes up an ecosystem and the surroundings
the answer is C. 40 because it gains what the first one loses
hope I helped
Answer:
Power your home with renewable energy. AND . Reducing the use of coal, oil and natural gas is clearly important, but it's not the only way to bring the carbon cycle into better balance
Explanation:
Another option is to speed up the rate at which CO2 is removed from the atmosphere and then sequester the resulting carbon, thereby balancing out the CO2 from fuel combustion.