In 2010, an oil well in the Gulf of Mexico spilled millions of barrels of oil into the ocean. Is this an example of a point source or nonpoint source pollution?

The number of living organisms in a particular area is

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water