Answer:
the definition of migration is option B
Meteorologists classify tropical cyclones using a measurement of sustained winds within the low-pressure system. How do meteorologists define a "sustained wind"?
it is a 1-minute averaged measure of the hurricane's maximum winds.
If a given year has more named storms than the name-list has names, how are additional storms named?
they are assigned names using the Greek alphabet.
I'd go with this one: b.) Meiosis I separates tetrads, and meiosis II separates sister chromatids. As it is correctly describes the difference between meiosis I and meiosis II.
Threatened species are species <span>which are vulnerable to endangerment in the near future.</span>