Answer:
Statement 1: hypothesis
Statement 2: natural law
Statement 3: theory
Explanation:
1) An hypothesis is a proposed explanation for a phenomenon. It provides a suggested outcome. It needs to be tested through experimentation.
The statement says that an increase in sun exposure, increases the tomato plant growth, which is a suggested outcome and it can be tested.
2) Energy cannot be created or destroyed, is the first law of thermodynamics.
A scientific law is the description of an observed phenomenon. Without an explanation of the causes behind it.
3) A scientific theory is the explanation of a given phenomenon, based on a large body of empirical data.
This why after the pale and dark moths example, it says: Natural Selection had caused a change in the British moth population.
It is a theory that explains the phenomenon quoted.
Answer:
The correct answer is D. amount of collagen present.
Explanation:
As fibroblasts begin to enter the wound site, migrate and proliferate. They lay down the collagen matrix in the wound site. Collagen deposition is important because it increases the strength of the wound. The tensile strength is ergo highest with the most collagen present.
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