In the first half 20th century, it was not unusual for african american people to have to use different drinking fountains, lunch counters, and even schools than other americans.

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.

About __ of the mass of the cell is water

What processes would you expect to be key in the production of yogurt ?