You are observing a sample of cells in the lab to determine why they did not divide properly. You notice that the chromosomes are lined up in the middle of the
cell, and the spindle fibers have extended towards them, but have not attached.
What could be damaged?
A. Cytoplasm
B. Mitochondria
C. Centromere
D. Nuclear envelope

answer; /// i believe the name is ( check first good luck.hope this

he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

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both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.