<span>One of the reasons PCB's have been hard to clean up from the puget sound is because they stay in the food chain. Once something is inside an animal it becomes much harder to remove from the environment than if it was just in water.</span>
Answer:
The correct answer would be <u><em>Garden plants grow better in wet soil than in dry soil.
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Scientific hypothesis refers to a proposed or tentative explanation for the occurrence of a particular phenomenon.
Testable hypothesis are those which can be approved or denied on the basis of results of any testing, experience, or data collection.
From the given choices, only fourth hypothesis can be scientifically or experimentally tested.
Same types of plants can be grow in dry and wet soils keeping all other variables constant (such as temperature, light, nutrients et cetera) in order to check the effects of the soil on the plant growth.
Explanation:
hope this helps you.
During the second trimester, energy needs of pregnant women are 340 more kcalories per day than those of nonpregnant women.
J is right atrium. Blood coming from systemic organs.
G is right ventricle. blood going to lungs.
C is left atrium. Blood coming from lungs.
F is left ventricle. Blood going to systemic organs.