After the oil spill in the gulf of mexico, one of the treatments included the addition of harmless, oil-eating bacteria. how could this be better than more traditional methods of cleaning up oil spills? a. when the bacteria finally die, it removes needed oxygen from the water. b. the addition of other harmful chemicals may be needed to speed up the process. c. the use of the bacteria, alone, could take years to completely remove the oil. d. the bacteria can break down harmful substances into simpler, less toxic substances.

Which experiment would most likely contain experimental bias ?

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a.earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c.earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.

Time remaini 02: 50: 5 in the farewell speech, queen elizabeth's use of first-person point of view her to appear to be impartial and objective prevents her from addressing the audience directly allows her to share her personal thoughts and ideas, makes it seem as though she's observing from the outside, mack this and return save and evit