What gas is represented by #1 on the graphic?
a. nitrogen
b. oxygen
c. carbon dioxide

Ahypothesis that has been tested again and again , with similar results each time may become a law , true or false

Heredity has an impact on personal health, but environmental factors are important as well. select the best answer from the choices provided

Plz ! a frog has a genetic mutation in skin cells that causes part of its skin to turn orange the frog will not pass this genetic mutation onto its offspring because, a. the offspring will inherit skin cells from the other parent. b. mutated skin cells cannot divide and produce daughter skin cells. c. skin cells do not contribute genetic material to sex cells. d. parents do not contribute genetic material to their offspring.