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.
Answer: It is an amino acid that cannot be made by the body. It must be obtained from eating certain foods.
Explanation:
Multi cellular organisms like animals are eukaryotes
Answer:
Yes
Explanation:
If the farm CJ bacteria were created by bacteria from another farm, then you would find the allele on both farms.