*Question*
Q: What often occurs on steep slopes in dry climates? Read this paragraph and choose the correct option from the provided answers: Landslides often occur on steep slopes in dry or semi-arid climates. The California coastline, with its steep cliffs and years of drought punctuated by seasons of abundant rainfall, is prone to landslides. Wet soil becomes slippery and heavy. Earthquakes often trigger landslides. The shaking ground causes soil and rocks to break loose and start sliding. Choices: - volcanoes - earthquakes - tsunamis - landslides A:
**Answer**
landslides

*Question*
Q: What strong and lightweight manmade material is derived from hydrocarbons and used in ropes, tents and parachutes? Read this paragraph and choose the correct option from the provided answers: nylon: Human-made fabric. Material is made from hydrocarbons found in petroleum products. It is found in a number of plastic utensils. Taking advantages of its strength and light weight, nylon is a component of ropes, fishing nets, tents, and parachutes. Choices: - styrofoam - cellophane - aluminum - nylon A:
**Answer**
nylon

*Question*
Q: What protects reptiles from injury and loss of water? Read this paragraph and choose the correct option from the provided answers: Molecules move from an area of high concentration to an area of lower concentration until an equilibrium is met. The molecules continue to cross the membrane at equilibrium, but at equal rates in both directions. Choices: - hairs - pores - tail - scales A:
**Answer**
scales

*Question*
Q: Sulfate is used as a cleaning agent because it is acidic and soluble in what substance? Read this paragraph and choose the correct option from the provided answers: sulfate is used as a cleaning agent because it is water soluble and acidic. Choices: - air - salt - oxygen - water A:
**Answer**
water