Answer the following question given this paragraph: Planting rows of trees around fields is another way to reduce wind erosion. The trees slow down the wind, so it doesn't cause as much erosion. Fences like the one in Figure below serve the same purpose. The fence in the figure is preventing erosion and migration of sand dunes on a beach. Q: Planting a row of trees around a field or erecting a fence on a sand dune helps prevent what form of erosion? Choices: - fire - water - rain - wind A:
wind
Answer the following question given this paragraph: Q: In artificial passive immunization, which items from an immune animal are injected into a nonimmune animal? Choices: - parasites - platelets - allergies - antibodies A:
antibodies
Q: Answer the following question given this paragraph: Dietary proteins are broken down during digestion to provide the amino acids needed for protein synthesis. Any extra proteins in the diet not needed for this purpose are used for energy or stored as fat. One gram of proteins provides 4 Calories of energy. Q: One gram of proteins provides how many calories of energy? Choices: - eight - zero - two - four A:
A: four
Question: Answer the following question given this paragraph: where m is the mass of the system. Experiments have shown that acceleration is exactly inversely proportional to mass, just as it is exactly linearly proportional to the net external force. Q: Experiments have shown that acceleration is exactly inversely proportional to mass, just as it is exactly linearly proportional to what? Choices: - net internal force - speed - kinetic energy - net external force A:
Answer: net external force
*Question*
Answer the following question given this paragraph: Lightning occurs when there is a sudden discharge of static electricity between a cloud and the ground. Q: What occurs when there is a sudden discharge of static electricity between a cloud and the ground? Choices: - updraft - wind - rain - lightning A:
**Answer**
lightning
Q: Answer the following question given this paragraph: Q: What phase follows ovulation? Choices: - interstitial phase - telophase - varicose phase - luteal phase A:
A: luteal phase