Guys I scratched my dad’s car should I paint over the scratch with nail polish?? He won’t notice right?

The majority of sulfur dioxide produced by industry comes from a. oil refineries. b. dry cleaners. c. chemical plants. d. coal-burning power plants.

Secondary pollutants are more harmful than primary pollutants. select the best answer from the choices provided ot of

Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.