Which of the following statements is true?

a.) The angle of refracted light is equal and opposite to the angle of incoming light.
b.) A magnetic field can be created by running an electric current through a magnet.
c.) Velocity and temperature are scalar quantities.
d.) Exothermic chemical reactions absorb heat.

What is the name for a substance formed in a chemical reaction

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.

What are the responsibilities of the region of the brain highlighted below? =+= will rate brainiest =+=