Answer the following question given this paragraph: Radiation has several important uses, including diagnosing and treating cancer. Q: Diagnosing and treating cancer is a beneficial use of what potentially dangerous energy? Choices: - thermal - mechanical - solar - radiation A:
radiation
(Question)
Answer the following question given this paragraph: In the nose, mucus and hairs trap any dust or other particles in the air. The air is also warmed and moistened so it won't harm delicate tissues of the lungs. Q: Which part of the body has mucus and hair to trap dust and also warms and moistens air so to not harm lung tissue? Choices: - the tongue - the throat - the ear - the nose A:
(Answer)
the nose
Ques: Answer the following question given this paragraph: Sympatric speciation occurs when groups from the same species stop mating because of something other than physical or geographic separation. The behavior of two groups that live in the same region is an example of such separation. The separation may be caused by different mating seasons, for example. Sympatric speciation is more difficult to identify. Q: What occurs when groups from the same species stop mating because of something other than physical or geographic separation? Choices: - extinction - complementary speciation - invasive speciation - sympatric speciation A:
Ans: sympatric speciation
(Q).
Answer the following question given this paragraph: Bacteria are surrounded by a cell wall consisting of peptidoglycan . This complex molecule consists of sugars and amino acids. The cell wall is important for protecting bacteria. The cell wall is so important that some antibiotics, such as penicillin, kill bacteria by preventing the cell wall from forming. Q: What are surrounded by a cell wall consisting of peptidoglycan? Choices: - viruses - protozoa - amoeba - bacteria A:
(A).
bacteria
Ques:Answer the following question given this paragraph: Socket diagram: Pearson Scott Foresman; Joint diagram: Zachary Wilson. Ball and socket joints allow for a wide range of flexibility . Socket diagram: Public Domain; Joint diagram: CC BY-NC 3.0. Q: What kind of joints allow for a wide range of flexibility? Choices: - anchor - pivot - lever - ball and socket A:

Ans:ball and socket
Answer the following question given this paragraph: Oxygen has increased in the atmosphere throughout the history of the earth. Note the logarithmic scale, which indicates great increases after first photosynthesis (in bacteria) and then land plants evolved. Related geological events: A = no oxidized iron; B = oxidized iron bands in seabed rock - evidence for O 2 in the oceans; C = oxidized iron bands on land and ozone layer formation- evidence for O 2 in the atmosphere. Q: What has increased in the atmosphere throughout the history of the earth? Choices: - nitrogen - wind - carbon - oxygen A:
oxygen