Answer the following question given this paragraph: Geothermal energy is clean and does not release greenhouse gases. Q: What type of energy is clean and does not release greenhouse gases? Choices: - natural gas - coal - lithosphere energy - geothermal energy A:
geothermal energy
Answer the following question given this paragraph: Most of the rocks and minerals that make up the Earth's crust are composed of positive and negative ions held together by ionic bonding. An ionic compound is an electrically neutral compound consisting of positive and negative ions. You are very familiar with some ionic compounds such as sodium chloride (NaCl). A sodium chloride crystal consists of equal numbers of positive sodium ions (Na + ) and negative chloride ions (Cl ). Q: What is an electrically neutral compound with positive and negative ions? Choices: - correlated compound - isotope - neutralized molecule - ionic compound A:
ionic compound
Q: Answer the following question given this paragraph: Determine the total number of valence (outer shell) electrons. For cations, subtract one electron for each. Q: Electrons in the "outer shell" are also known as what kind of electrons? Choices: - charged - intermediate - static - valence A:
A: valence
Question: Answer the following question given this paragraph: In the troposphere, 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. Some of that heat radiates back into the air. This makes the temperature higher near the surface than at higher altitudes. Q: What happens to temperature in the troposphere as the altitude increases? Choices: - it increases - it disappears - it stays the same - it decreases A:
Answer: it decreases
*Question*
Answer the following question given this paragraph: waves of muscle contractions in the organs of the gastrointestinal tract that keep food moving through the tract. Q: What contracts to move food throughout the gastrointestinal tract? Choices: - fluids - nerves - vessels - muscles A:
**Answer**
muscles
(Question)
Answer the following question given this paragraph: Anemia is a disease that occurs when there is not enough hemoglobin (or iron) in the blood so it can't carry adequate oxygen to the cells. There are many possible causes of anemia. One possible cause is excessive blood loss due to an injury or surgery. Not getting enough iron in the diet is another possible cause. Q: Which disease occurs when there is not enough hemoglobin in the blood? Choices: - Pulmonary - Respiratory - Diabetes - anemia A:
(Answer)
anemia