Answer:
chemicals are dumped into lakes and rivers
Explanation:
all the other choices are results of cutting down trees
Automatically region nervous system
Its called the Electric current <span />
Answer:
eukaryotes that ensures that the number of chromosomes will not double from parent to offspring when gametes fuse during fertilisation. Homologous pairs of chromosomes separate in meiosis I, so the gametes are haploid (n), and each gamete receives only one member of each chromosome pair.
Explanation:
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Cholesterol is a component of cell membranes and is an example of steroid