Answer the following question given this paragraph: Weathering may concentrate some resources. In tropical climates, chemical weathering can be intense. Some minerals dissolve and water carries them away. This leaves behind the materials that are not soluble. Bauxite is aluminum oxide that collects this way. Bauxite is our main source of aluminum ore. Q: What is our main source of aluminum ore? Choices: - coal - cobalt - tin - bauxite A:
bauxite
Answer the following question given this paragraph: Image copyright SergiyN, 2014. Coil of copper wire, which conducts electricity well due to metallic bonds . Used under license from Shutterstock. com. Q: What gives a coil of copper wire the ability to conduct electricity well? Choices: - optical bonds - metallic electrons - metallic ions - metallic bonds A:
metallic bonds
Q: Answer the following question given this paragraph: Visit this website (http://openstaxcollege. org/l/sex_selection) for informative videos on sexual selection. In monogamous systems, one male and one female are paired for at least one breeding season. In some animals, such as the gray wolf, these associations can last much longer, even a lifetime. Several explanations have been proposed for this type of. Q: In a monogamous pairing, a male individual is generally paired with what other type of individual in a sexual relationship? Choices: - worker - male - drone - female A:
A: female
Question: Answer the following question given this paragraph: Glucose and fructose are monosaccharides, or simple sugars. Q: Glucose and fructose are considered this type of sugar? Choices: - alcohols - complex carbohydrates - polysaccharides - monosaccharides, or simple A:
Answer: monosaccharides, or simple
*Question*
Answer the following question given this paragraph: The connecting piece of the sperm is packed with mitochondria. Mitochondria are organelles in cells that produce energy. Sperm use the energy to move. Q: What is the connecting piece of a sperm packed with? Choices: - glucose - protein - Gelatin - mitochondria A:
**Answer**
mitochondria
Q: Answer the following question given this paragraph: Hot lower mantle material rises upward ( Figure below ). As it rises, it cools. At the top of the mantle it moves horizontally. Over time it becomes cool and dense enough that it sinks. Back at the bottom of the mantle, it travels horizontally. Eventually the material gets to the location where warm mantle material is rising. The rising and sinking of warm and cooler material is called convection . Q: What is the rising and sinking of warm and cooler material called? Choices: - depression - conveyance - diffusion - convection A:
A: convection