Explain how fossil fuels originated, and why this process results in them being considered nonrenewable resources

Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work)

Babies with very low or very high birth weight are less likely to survive. observe a graph of the data.

Abiology teacher asks students to give examples of genetic variations that support the idea that changes in a population’s environment affect genetic variation. which is the least supportive example? a.changes in genetics in human populationsb.antibiotic resistance in bacteria populationsc.pesticide resistance in garden insectsd.changes in the color of the peppered moth population in england