An annular solar eclipse happens when the Moon covers the Sun's center, leaving the Sun's visible outer edges to form a “ring of fire” or annulus around the Moon. The ring of fire marks the maximum stage of an annular solar eclipse<span>.
</span><span>https://www.timeanddate.com/eclipse/annular-solar-eclipse.html
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B. some species die out when environmental changes occur
A type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.
