Earth science is only concerned with the rocks that make up the earths interior? true or false

What did hunter gathers do to alter the environment?

What is the average speed of a car that traveled 300.0 miles in 5.5 hours

In a population that is in hardy-weinberg equilibrium, there are two possible alleles for a certain gene, a and a. if the frequency of allele a is 0.4, what fraction of the population is heterozygous? a. 0.40 b. 0.60 c. 0.16 d. 0.48