Answer:
The answer is A.
Explanation:
This is the definition of the law of conservation of matter (mass).
I'll leave this here:
https://legacy.etap.org/demo/biology_files/lesson6/instruction4tutor.html
Answer: D
Explanation: The villi increases the surface area for food absortion. Each villus has a network of thin and small blood vessels close to its surface. The surface of the villi absorbs the digested food materials.
<span>The question says,'decomposition of plants and animal matter present in the soil is largely due to soil micro organism. The statement is true. The soil microbes function by decomposing the organic matter in the soil to the forms usable to plants. The humus produce by these microbes is largely responsible for soil fertility. </span>
Answer:
inhalation and exhalation
Explanation: