I'm not sure what definitions you're given to choose from here, but an abiotic substance or object is something that's not associated with or derived from living things. An example of this would be water, an abiotic, inorganic substance. Something biotic, on the other hand, does result from living things -think organic, like green plants and furry animals.
Hope this helps!
Answer:
Animal agriculture has been on the rise and so it has been the largest contributor to the increased flux. Biomass burning contributes more to the methane flux per year than animal agriculture.
Explanation:
The above is the reason why there has been a global methane flux increament in the environment. This is because, the escrements from the animals as well as plants decaying materials and biomass are great contributors to those increased methane.
Answer:
450 years
Explanation:
According to data from the National Oceanic and Atmospheric Administration (NOAA) and the Woods Hole Sea Grant, that plastic bottle will remain on the earth for an estimated 450 years.
Question : When soil lacks nutrients needed for crop growth, farmers might add __________ to the topsoil to promote the growth of crops.
Logical answer : Fertilizer