Fig. 9.1 A man stands 160 m from the hammer. (a) A man sees the hammer hit the post and a short time later hears the sound of the post being hit. Explain the delay in heanng the sound,​

the arctic is a region of the planet, north of the arctic circle, and includes the arctic ocean, greenland, baffin island, other smaller northern islands, and the far northern parts of europe, russia (siberia), alaska and canada.

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).

answer(20) psi;