Answer the following question given this paragraph: Citric acid is a large carboxylic acid with three ionizable hydrogen atoms. It is found in citrus fruits and gives them their sour or tart flavor. Q: What large carboxylic acid with three ionizable hydrogen atoms gives some fruits a sour or tart flavor? Choices: - ammonia acid - beryllium acid - hydrochloric acid - citric acid A:
citric acid
(Question)
Answer the following question given this paragraph: Specific scents are often associated with our memories of places and events. That's because scents are more novel or specific than shapes or other things you might see. So an odor similar to that of your grandmother's kitchen or pantry might be more quickly associated with your memories of that place than a similar sight, which might be more generalized. Q: Specific scents are often associated with what? Choices: - pheromones - behaviors - instincts - memories A:
(Answer)
memories
Ques: Answer the following question given this paragraph: Not getting enough minerals can cause health problems. For example, not getting enough calcium may cause osteoporosis. This is a disease in which the bones become porous so they break easily. Getting too much of some minerals can also cause health problems. Many people get too much sodium. Sodium is added to most packaged foods. People often add more sodium to their food by using table salt. Too much sodium has been linked to high blood pressure in some people. Q: Not getting enough calcium may cause what health problem? Choices: - blindness - arthritis - diabetes - osteoporosis A:
Ans: osteoporosis
(Q).
Answer the following question given this paragraph: Topographic maps have a horizontal scale to indicate horizontal distances. Q: Topographic maps have a horizontal scale to indicate what distances? Choices: - diagonal - vertical - perpendicular - horizontal A:
(A).
horizontal
Ques:Answer the following question given this paragraph: The sharp odor associated with sparking electrical equipment is due, in part, to ozone. Q: What compound is formed when there are sparking electrical equipment? Choices: - water - smog - carbon - ozone A:

Ans:ozone
Question: Answer the following question given this paragraph: In science, sound is defined as the transfer of energy from a vibrating object in waves that travel through matter. Most people commonly use the term sound to mean what they hear when sound waves enter their ears. The tree above generated sound waves when it fell to the ground, so it made sound according to the scientific definition. But the sound wasn't detected by a person's ears if there was nobody in the forest. So the answer to the riddle is both yes and no!. Q: In science, what is defined as the transfer of energy from a vibrating object in waves that travel through matter? Choices: - energy - photons - vibration - sound A:
Answer:
sound