Answer:
The answer is evolutionary purpose.
Explanation:
Some wolves may have had variants in their digestion that allowed them to eat wheat, rice, barley, corn, and potatoes, and so they were able to survive with humans.
Fats and lipids are hydrophobic which makes them water repelling compounds. Therefore, presence of a waxy coating on the outer skin of the desert plant prevents loss of water via evaporation from the skin of the plants. This helps the plant store water and increases its survival period.
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<span>The correct answer for this question is A - Scientists ask testable questions and devise ways in which they can answer those questions through experimentation or observation. The rest of the possible answers for this question only describe some scientists.</span>
Until it expires, or about 5-7 days after being made.