Which of the following is most damaging to the ozone layer? carbon dioxide
methane
O Oxygen
chlorofluorocarbons

How does photosynthesis show the conservation of mass and energy?

Jason, a dog breeder, decides to mate a poodle with a golden labrador retriever. he wants to get puppies with the curly hair of the poodle and the color of the labrador. what concept is shown in this example? question 6 options: artificial selection adaptation evolution natural selection

What goes in and out of a cell respiration?