Answer:Scientists observe the frequency of the different forms of the gene and how it changes in response to the environment
Explanation:
The correct answer is (d) all of the above.
The most important phenomenon of the earth's crust is that it is not stable. It keeps on changing with respect to time called as continental shift. Continental shift squashes and changes a continent in such a way that it is very hard to find out its early history. Continental shift results in earthquakes, volcanoes and tsunamis. The movement of tectonic plates is the main reason for continental shift which leds to the natural calamities such as volcanoes, earthquake and tsunami on the local environment.
The answer is d.) relative dating
Answer:
To show effectiveness.
Explanation:
The logic of this procedure is to show the effectiveness of Anticholinesterase. Anticholinesterases are the drugs that prevent destruction of the neurotransmitter acetylcholine by the action of acetylcholinesterase enzyme within the nervous system. Anticholinesterases are very important drug due to their effectiveness that decrease breakdown of acetylcholine which is an important messenger of the nervous system so this procedure is very important to the effectiveness of Anticholinesterase drug.
Results in offspring that are yellow- green.
Hope this helped.