This is correct. Even the basic scientific theories get tested and checked time after time after time. The most basic example would be that people once thought the Earth was flat and now it changed and they believe it is round.
Basically, this is a tricky question. And it has more than one answer. The elements that are found in a high proportion in Earth's crust are <span> </span>oxygen, aluminium, iron, calcium, potassium, sodium, <span>and </span>magnesium. But for your Option, I think it is B) Oxygen and Silicon. This is because Oxygen makes 46.6% while Silicon makes 27.7% of the Earth crust. They are like the highest.
Answer:
China
Explanation:
This is my best guess because you failed to show the options provided.
China is the absolute worst when it comes to pumping our atmosphere full of CO2
The living microbial biomass includes<span> the microorganisms responsible for decomposition (breakdown) of both plant residues and active </span>soil organic matter<span> or detritus. Humus is the stable fraction of the </span>soil organic matter<span> that is formed from decomposed plant and animal tissue. It is the final product of decomposition.</span>
