Answer:
<em>The correct option is D) How is the number of frogs in Massachusetts affected by pollution</em>
Explanation:
A scientific question can be described as a question which can be answered through the scientific method of research. Based on the scientific question, a hypothesis can be formulated. For example, for the option D, the hypothesis can be 'if the pollution increases, then the number of frogs decreases.' A hypothesis is a tentative statement which can be tested through experiments. Based on these experiments, results are formulated and conclusions are drawn. The question mentioned in option D can be answered through this method hence, it is the correct option.
A.DNA
B.RNA
C.DNA
D.RNA
E.RNA
F.DNA
Explannation : RNA has not T
Answer:
The correct answer is B. 95;40;7.4
Explanation:
Ranges of these values are:
PCO2: 35-45 mmHg
PO2: 80-100 mmHg
pH: 7.35-7.45
The impacts of climate change include warming temperatures, changes in precipitation, increases in the frequency or intensity of some extreme weather events, and rising sea levels.
