Tyrone is making lemonade. He puts 100 grams of lemonade mix into water and then stirs. Tyrone has made a solution molecule concentration osmosis experiment

Which of the following can be reduced by the use of renewable energy sources? a. social costs b. economic costs c. environmental costs d. all of the above select the best answer from the choices provided a b c d

Genes that come together with different alleles are heterozygous. homozygous. genotype. segregated.

Which example best describes a reflex action? a. eating food when hungry b. coughing when the throat is irritated c. bending down to lift a heavy object d. going for a walk outside