Which correctly lists three greenhouse gases? oxygen, carbon dioxide, helium
carbon dioxide, nitrous oxide, methane
helium, methane, oxygen
methane, oxygen, carbon dioxide

Which of the following are energy solutions that release pollution into the air>

Which organism is the producer in this food web? 7th grade question. a) arthropods b) birds c) fungi d) plants

The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods. c. it shows that these organisms share the same habitat. d. it provides evidence that these organisms suffered a genetic mutation.