Practice Test Answers

10 verified answers1 views
1
Free Preview

Why is water able to dissolve many ionic and polar substances, but not nonpolar substances like oil?

A
Water’s polarity enables it to surround and separate charged particles.
B
Water molecules break all chemical bonds in the same way.
C
Water bonds with nonpolar substances, but they evaporate quickly.
D
Water is nonpolar and repels nonpolar substances.
2
Free Preview

A scientist observes that plants are growing in dry, rocky terrain. What explanation best connects water’s properties to this phenomenon?

A
Water is stored inside rock crystals and released to plants slowly.
B
Surface runoff moves across the ground and moistens roots.
C
Capillary action draws water upward from deeper soil layers into plant roots.
D
Water is taken in by plants only during rainfall events.
4

Choose the correct answer from each drop-down menu to complete the statement.

Answer:

residual|remain close to their source|suggests a local source

6

Which combination would likely produce the greatest surface stability?

A
deep, clay-rich soil on a slope
B
well-structured loam with vegetation
C
fine-textured soil in a dry environment
D
thin topsoil with silty subsoil
10

Match each labeled process in the model to the outcome it helps produce.

Answer:

creates hollow spaces underground|causes chemical weathering of rock|results in the formation of a sinkhole|allows more water to reach lower layers

Did you find these answers helpful?