Read these two excerpts. Which two factors helped scientists determine that the Deccan volcanoes were harmful to species living during that time? A) the carbon dioxide found in plankton shells B) the water found in plankton shells C) the presence of mercury in the Earth's soil D) the presence of iridium in the Earth's soil E)the presence of acid in the Earth's soil

The essay sea stars by barbara hurd. what point is the author making by comparing a sea star missing an arm to a human losing a limb?

Which sentence has an incorrect shift in pronoun-antecedent agreement? a) each teacher needs to be paired up. b) each man needs to carry his own load. c) each of these women runs their own business. d) each child should bring his or her own lunch.

You visit two websites about inventions of the 21st century. one has .edu in the url address and the other has .com. which site is more likely to be credible and why? (6 points) select one: a. the .edu site is more likely to be credible because all .com sites are trying to sell you something. b. the .edu site is more likely to be credible because its domain is a university or other school type. c. the .com site is more likely to be credible because all .edu sites are personal college student blogs. d. the .com site is more likely to be credible because its owners review all the content before publishing.