Which best explains how greenhouse gases heat the earth?

Which of these is the most likely consequence of falling petroleum price

What is unique about the members of the group of fungi to which penicillium notatum belongs? they are not important for medicine. they are not made up of hyphae. they are used in fermentation. they lost the reproductive phase.

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?