High quantities of nutrients in water from industrial crop fertilizers and animal waste cause excessive aquatic plant growth — a process known as “eutrophication,” which, in turn, causes “hypoxia,” or water that is low in oxygen. Harmful algal blooms (or HABs) occur when aquatic algae grow rapidly out of control.
Answer:
this is because Steel is more difficult to magnetise and demagnetise but an iron core makes a temporary electromagnet because its lose its magnetism when the switch is open and and steel core is used to make a permanent electromagnet
Answer:
8 chromosomes in its skincell
Explanation:
Sex organ is (n)
Other than sex organ is 2(n)
Animals need more food when it’s cold because the cold is very cold and it can be racist so that’s why animals need more food when it’s cold
<h3>Each secondary spermatocyte completes the second meiotic division without the replication of DNA and produces 2 spermatids each containing 23 chromosomes. Spermatids undergo morphologic alteration (spermiogenesis) to become mature spermatozoa.</h3>