Q: Fish and other aquatic organisms use gills to capture dissolved what? Read this paragraph and choose the correct option from the provided answers: Gases are also capable of dissolving in liquids. There are many examples of this in our everyday lives. For example, carbonated beverages contain dissolved carbon dioxide. We notice this when bubbles come out of solution when the beverage is opened. Another example is when oxygen from the air we breathe dissolves in our blood, where it is transported throughout the body. Fish and other aquatic organisms use gills to capture dissolved oxygen from their environments. Choices: - food - sulfur - nitrogen - oxygen A:
oxygen

Q: How does water from roots reach the leaves? Read this paragraph and choose the correct option from the provided answers: Choices: - water - combining cells - water - raising cells - water-phobic cells - water-conducting cells A:
water-conducting cells

Q: Which organ is the control center of the nervous system? Read this paragraph and choose the correct option from the provided answers: What weighs about three pounds and contains up to 100 billion cells? The answer is the human brain. The brain is the control center of the nervous system. It's like the pilot of a plane. It tells other parts of the nervous system what to do. Choices: - the heart - the spine - the lungs - the brain A:
the brain

Q: When carbon atoms are not bonded to as many hydrogen atoms as possible, what kind of hydrocarbon results? Read this paragraph and choose the correct option from the provided answers: Unsaturated hydrocarbons have at least one double or triple bond between carbon atoms, so the carbon atoms are not bonded to as many hydrogen atoms as possible. In other words, they are unsaturated with hydrogen atoms. Choices: - unstable - aqueous - saturated - unsaturated A:
unsaturated