Explanation:
you just need to know that :
population density = no of ( what is asked) / land area.
Answer:
<em>To study the genetic causes of disease and for the development of diagnostics and drugs. And detecting bacteria and viruses in the environment and for determining paternity.</em>
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This measures the probability of an interaction occuring. For typical interactions between ions and electrons, or between two nuclei, these cross sections are generally measured in barns. (Science: anatomy) a transverse cut through a structure or tissue. The opposite of a cross-section is a longitudinal section.
Answer:
The answer is B. Two long tails
Explanation:
"Two long tails extend from the edge of the spiral pattern [of the Milky Way] and trail out beyond the galaxy, giving an indication of the Milky Way's direction of rotation."
This is a sentence taken out of my studying book.
