Answer:
Is there more to the question? I'm not sure what this would be.
Costs of fossil fuels:
-nonrenewable resource
-pollution
Benefits of fossil fuels:
-easy to use
-cheap
Costs of windpower:
-harder to get
-expensive
Benefits of windpower:
-no pollution
-inexhaustible
Answer: D. magnesium
Explanation:
Chlorosis is a condition in which the leaves of the green plants do not have enough nutrients so as to synthesize the chlorophyll to keep the leaves green. Thus the leaves loose their color. The loss of chlorophyll from the older leaves is the characteristic feature of magnesium deficiency. It happens when the soil in which the plants are growing lacks magnesium.
The answer to this question would be simple squamous epithelium.
When you need to supply oxygen or nutrient, the thinner cell layer the faster it can move. In this case, simple squamous epithelium is better since it provides protection but can let the nutrient transported quickly.
