Chimpanzees grooming one another is an example of what form of communication? a. sight b. chemical c. touch d. sight

20 points asap! question 1 - in your own words, explain the scientific evidence that supports the plate tectonic theory. question 2 - in your own words, explain why the geological structures in florida are different from the geological structures in colorado.

Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?

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