Answer the following question given this paragraph: Luster describes the way light reflects off of the surface of the mineral. You might describe diamonds as sparkly or pyrite as shiny. But mineralogists have special terms to describe luster. They first divide minerals into metallic and non-metallic luster. Minerals that are opaque and shiny, like pyrite, are said to have a "metallic" luster. Minerals with a "non-metallic" luster do not look like metals. There are many types of non-metallic luster. Six are described below ( Table below ). Q: What describes the way light reflects off of the surface of the mineral? Choices: - intensity - density - hardness - luster A:
luster
(Question)
Answer the following question given this paragraph: One end of each phospholipid molecule is polar, so it has a partial electric charge. Water is also polar and has electrically charged ends, so it is attracted to the oppositely charged end of a phospholipid molecule. This end of the phospholipid molecule is described as hydrophilic, which means "water loving. ". Q: Water is polar and has electrically charged ends, so it is attracted to the oppositely charged end of a phospholipid molecule, which is described by what term meaning "water-loving"? Choices: - aqueous - hydrophobic - cytosolic - hydrophilic A:
(Answer)
hydrophilic
Ques: Answer the following question given this paragraph: Xylem carries water and dissolved minerals from the roots upward to the leaves. Q: What type of plant tissue transports water and dissolved mineral upward to the leaves? Choices: - collagen - ectoderm - phloem - xylem A:
Ans: xylem
(Q).
Answer the following question given this paragraph: MyPyramid can help you choose foods wisely for good health. Each colored band represents a different food group. The key shows which food group each color represents. Which colored band of MyPyramid is widest? Which food group does it represent?. Q: Mypyramid features colored bands that represent what? Choices: - caloric content - essential vitamins - popular diets - food groups A:
(A).
food groups
Ques:Answer the following question given this paragraph: Chemical reactions constantly occur inside living things, and many of them require catalysts to occur quickly enough to support life. Catalysts in living things are called enzymes. Q: What do you call catalysts that are found inside of living things? Choices: - proteins - fibres - hormones - enzymes A:

Ans:enzymes
Answer the following question given this paragraph: Many plants also produce hormones and toxins to fight pathogens. For example, willow trees, like the one in Figure below , produce salicylic acid to kill bacteria. The same compound is used in many acne products for the same reason. Q: What do willow trees produce to kill bacteria? Choices: - facultative acid - Posion - bacterial acid - salicylic acid A:
salicylic acid