Acar moves with an average speed of 45 miles/hour. how long does the car take to travel 90 miles?
2 minutes
2 hours
45 minutes
45 hours
90 minutes

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.

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

Reactants undergo chemical reaction to form products. this chemical equation represents one such reaction. the coefficient for one of the reactants or products is incorrect. which part of the chemical equation is incorrect?