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Answer:
a: metaphase
Explanation:
the chromosomes are aligned at the metaphase plate
Gravity , Explosion
<u>Explanation:</u>
Nebulae are made of dust and gases—mostly hydrogen and helium. The dust and gases in a nebula are very spread out, but gravity can slowly begin to pull together clumps of dust and gas. As these clumps get bigger and bigger, their gravity gets stronger and stronger.
Eventually, the clump of dust and gas gets so big that it collapses from its own gravity. The collapse causes the material at the center of the cloud to heat up-and this hot core is the beginning of a star.
Which patterns of life were established during the time of the Umm an-Nar culture that still exit today pleas help me I ran out of poinst:(
