Why of the following is thought to be engulfed by prokaryotes eventually leading to the development of animal cells

Mitochondria

Explanation:

The most supported theory is the endosymbiotic theory. This theory states that long ago, prokaryotic cells engulfed mitochondria. The strongest evidence that supports this theory is mitochondria contain different DNA, compared to our cell's nuclear DNA found in the nucleus. This evidence suggests that mitochondria originated from another "body".

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.

answer: glucoamylase presented optimum activity at temperature of 55â°c, and, in the glycosidic bonds from the non-reducing ends of starch, resulting in the production of glucose. source and type of fermentation can affect the enzyme's properties

credit to kalahira