Answer:
B
Explanation:
Methane is one of the green house gases, and a very powerful one. It is even more potent at influencing global temperature than the most famous green house gases, CO2. Methane's chemical structure is in a way that gives it the ability to trap heat.
This means that an increased release of methane gas into the atmosphere, which is mostly done when cattles defeacates or passes gas, can drastically influence the warming on Earth.
Answer:
b
Explanation:
In this question, the context for exponential growth is assumed to occur naturally. Because lab experiments are not natural and must happen in well controlled studies, it cannot limit exponential growth.
Answer:
I think it's b.
Explanation:
You need decomposers to return the matter back into the ground.Which the food web starts all over again.
Answer:
Explanation:
Leaching – Plant nutrients are lost beyond the reach of plant roots. Usually caused by excessive rainfall washing nutrients deep down into sub-soil beyond new roots reach.
Soil erosion – Top soil is lost by the agent of erosion e.g. wind, water.
Monocropping – This utilizes only specific nutrients from a particular zone making it exhausted. -It also causes accumulation of certain pests and diseases.
Continuous cropping –This continuously exhaust the fertility of land unless the the land if fallowed.
Change of soil PH -Use of either acidic or basic fertilizers affect soil pH and Consequently the presence of micro-organisms hence soil fertility affected.
Burning of vegetations –Destroys organic matter and soil structure. Nutrients are lost and soil exposed to erosion.
Accumulation of salts – Common in waterlogged areas and semi-arid areas in which poor drainage causes evaporation during the dry periods, making the soil saline.
Answer:
In genetics, epistasis occurs when two or more different gene loci contribute to the same phenotype. ... Therefore, epistasis is often described as occurring when one gene locus masks or modifies the phenotype of a second gene locus. The term epistatic is used to describe the relationship between two genes in epistasis.
Explanation:
