What did Aristotle think regarding fossil shells? that geologic time cold be calculated by shell deposits that sedimentary rock was formed in layers inferred that fossils were once part of living animals that geologic time could be determine by rock strat

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

A60-tooth gear is connected to a 72-tooth gear. if the smaller gear turns 12 times, how many turns does the larger gear make?

Why does the earth spin slowly, not faster? is it possible to prove it scientifically? can you prove it with math?