C. They study true movement of earthquake waves
Answer:
D
Explanation:
Improve desirable traits and help determine the heritability of a trait.
Answer B did this a few ago
The aquifer which will be most effective in purifying polluted ground water is AN AQUIFER COMPOSED MAINLY OF SAND.
An aquifer refers to a zone of permeable rock strata which transmit ground water freely. An aquifer must be permeable and porous. Ground water can be extracted from an aquifer by using a water well.
The correct answer for the question that is being presented above is this one: "B. vine tendrils growing around a fence." Plants exhibit different types of responses to events that occur in the environment. vine tendrils growing around a fence is an example of a nastic response.
The correct answer for the question that is being presented above is this one: "<span>cell elongation"</span>