Answer:
Oxygen
Explanation:
The formula for cellular respiration is oxygen + glucose -> water, carbon dioxide, energy. You can already cross out A and D because they aren't in the formula, so you have two left, water and oxygen. The reason why it is oxygen and not water is because without oxygen you can't even have water. also, I just got this right on my test :-)
They are our bodies preferred source of energy for everything we do and before using carbohydrates for fuel, our bodies have to break these compounds down into simple sugars.
Invasive species cause more damage than some pollutants. Almost half of the native species in America are endangered because of invasive species. Compared to other threats to biodiversity, invasive introduced species rank second only to habitat destruction, such as forest clearing.
Answer:
False
Explanation:
Scientific notation is the use of x x 10^x to write very large numbers in a shorter form.
