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pollution can lead to harmful algal blooms in waters off the coasts of southeastern u. s. states. which problems are associated with harmful algal blooms?

a)increases in the severity and frequency of hurricanes b)poisoning of seafood and collapse of commercial fisheries c)contamination of beaches and sea vessels with pollutants d)decreases in the levels of photosynthesis occurring in ocean waters

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.

Sediment layers stop lateral spreading when: they encounter a barrier they encounter an opposing current they run out of additional sedimentary material

Q: a: in sexually reproducing animals, once fertilization of the egg takes place, the exists as a single cell until cell division begins