(Q).
Answer the following question given this paragraph: Physical properties include color, density, hardness, and melting and boiling points. Q: Hardness, density, color, and melting and boiling points are all considered what types of properties? Choices: - chemical - visible - thermal - physical A:
(A).
physical

(Q).
Answer the following question given this paragraph: The energy of the sun is first captured by producers ( Figure below ), organisms that can make their own food. Many producers make their own food through the process of photosynthesis . The "food" the producers make is the sugar, glucose . Producers make food for the rest of the ecosystem. As energy is not recycled, energy must consistently be captured by producers. This energy is then passed on to the organisms that eat the producers, and then to the organisms that eat those organisms, and so on. Q: What is type of sugar is produced through photosynthesis? Choices: - carbohydrates - insulin - glutamate - glucose A:
(A).
glucose

(Q).
Answer the following question given this paragraph: It is hard to overstate the importance of hydrocarbons to modern life. Hydrocarbons have even been called the driving force of western civilization. You saw some ways they are used in Figure above . Several other ways are illustrated in Figure below . Their most important use is as fuels. Gasoline, natural gas, fuel oil, diesel fuel, jet fuel, coal, kerosene, and propane are just some of the hydrocarbon compounds that are burned for fuel. Hydrocarbons are also used to manufacture many products, including plastics and synthetic fabrics such as polyester. Q: What compounds, which serve as fuels and are used in manufacturing, are called the driving force of western civilization? Choices: - forests - fossils - gas - hydrocarbons A:
(A).
hydrocarbons