Which of the following is a secondary pollutant? hydrocarbon emissions in car exhaust

sulfur dioxide created when
electrical power is generated

VOCs released by a dry cleaner

smog formed in the presence of sunlight

What types of energy transfers and energy transportations are involved in the domino chain reaction?

14) whenever diploid populations are in hardy-weinberg equilibrium at a particular locus a) the allele's frequency should not change from one generation to the next, but its representation in homozygous and heterozygous genotypes may change. b) natural selection, gene flow, and genetic drift are acting equally to change an allele's frequency. c) this means that, at this locus, two alleles are present in equal proportions. d) the population itself is not evolving, but individuals within the population may be evolving.

At the age of 6 months, caleb was diagnosed with tay-sachs disease. as his primary care physician, what would you tell his parents about this disease?