Answer the following question given this paragraph: For most women, menstrual cycles continue until their mid- or late- forties. Then women go through menopause , a period during which their menstrual cycles slow down and eventually stop, generally by their early fifties. After menopause, women can no longer reproduce naturally because their ovaries no longer produce eggs. Q: What's the term for the period during which women's ovaries stop producing eggs? Choices: - puberty - maturity - adolescence - menopause A:
menopause
Answer the following question given this paragraph: Q: What are boggy regions with thick layers of peat called? Choices: - wetlands - tropics - meadows - peatlands A:
peatlands
Q: Answer the following question given this paragraph: The troposphere is the lowest layer of the atmosphere. In it, temperature decreases with altitude. The troposphere gets some of its heat directly from the Sun. Most, however, comes from Earth's surface. The surface is heated by the Sun and some of that heat radiates back into the air. This makes the temperature higher near the surface than at higher altitudes. Q: What do we call the lowest layer of the atmosphere? Choices: - stratosphere - asthenosphere - mesosphere - troposphere A:
A: troposphere
Question: Answer the following question given this paragraph: Fluoride ion is widely used in water supplies to help prevent tooth decay. Chloride is an important component in ion balance in blood. Iodide ion is needed by the thyroid gland to make the hormone thyroxine. Q: Fluoride ion is widely used in water supplies to help prevent what? Choices: - rust - bacteria - chlorine taste - tooth decay A:
Answer: tooth decay
*Question*
Answer the following question given this paragraph: Echinoderms have a unique water vascular system with tube feet. This allows slow but powerful movement. Q: What types of living beings have water vascular systems and unique tube feet? Choices: - diatoms - mollusks - Ducks - echinoderms A:
**Answer**
echinoderms
Q: Answer the following question given this paragraph: Because of their freely moving electrons, metals are good conductors of electricity. Metals also can be shaped without breaking. They are ductile (can be shaped into wires) and malleable (can be shaped into thin sheets). Metals have these properties because of the nature of their metallic bonds. Q: The nature of what gives metals the properties of being ductile and malleable? Choices: - liquid bonds - magneticism - titanium bonds - metallic bonds A:
A: metallic bonds