Answer the following question given this paragraph: An atmosphere is the gases that surround a planet. The early Earth had no atmosphere. Conditions were so hot that gases were not stable. Q: What is the term for the gases that surround a planet? Choices: - hemisphere - galaxy - biosphere - the atmosphere A:
the atmosphere
(Question)
Answer the following question given this paragraph: The enthalpy of the reactants is greater than the enthalpy of the products. During the course of the reaction, heat is released to the surroundings. Q: What is released during an enthalpy reaction? Choices: - gold - precipitation - sound - heat A:
(Answer)
heat
Ques: Answer the following question given this paragraph: Isotopes with magic numbers of protons and/or neutrons tend to be especially stable. Elements with magic numbers of protons tend to have more stable isotopes than elements that do not. Q: Elements with magic numbers of what tend to have more stable isotopes? Choices: - nucleus - pressure - molecules - protons A:
Ans: protons
(Q).
Answer the following question given this paragraph: Many people have problems with their vision , or ability to see. Often, the problem is due to the shape of the eyes and how they focus light. Two of the most common vision problems are nearsightedness and farsightedness, which you can read about below. You may even have one of these vision problems yourself. Usually, the problems can be corrected with contact lenses or lenses in eyeglasses. In many people, they can also be corrected with laser surgery, which reshapes the outer layer of the eye. For a video about vision problems, go to this URL: http://www. youtube. com/watch?v=ekSGbXt4XdI. Q: What are the two most common vision problems? Choices: - colorblindness and farsightedness - glaucoma and nearsightedness - colorblindness and nearsightedness - nearsightedness and farsightedness A:
(A).
nearsightedness and farsightedness
Ques:Answer the following question given this paragraph: The Appendicular Skeleton The appendicular skeleton includes all bones of the upper and lower limbs, plus the bones that attach each limb to the axial skeleton. There are 126 bones in the appendicular skeleton of an adult. The bones of the appendicular skeleton are covered in a separate chapter. Q: The appendicular skeleton includes all bones of the upper and lower limbs, plus the bones that attach each limb to the what? Choices: - literal skeleton - dynamic skeleton - compressed skeleton - axial skeleton A:

Ans:axial skeleton
Ques:Answer the following question given this paragraph: Nervous tissue is made up of neurons , or nerve cells, that carry electrical messages. Nervous tissue makes up the brain and the nerves that connect the brain to all parts of the body. Q: What is the nervous tissue in the brain and in the rest of the nervous system made up of? Choices: - electrons - plastic - ions - neurons A:

Ans:
neurons