Q: In how many basic was can substances cross the plasma membrane? A:
OPTIONS:
- one
- three
- four
- two

Answer: two

Q: What area beneath the earth's surface do magma collects? A:
OPTIONS:
- hot chambers
- underneath chambers
- erosion chambers
- magma chambers

Answer: magma chambers

Q: What is the process of making an observation in terms of a numerical scale and recording the value? A:
OPTIONS:
- ambient
- respiration
- graduation
- measurement

Answer:
measurement