Question: Q: The converging of continental plates can form what kind of geological feature? Choices: - plains - streams - shores - mountains A:
Answer: mountains

Question: Q: What man-made devices in space are used to observe the earth's surface? Choices: - crystals - telescopes - sensors - satellites A:
Answer: satellites

Question: Q: How many valence electrons does a sodium atom have ? Choices: - three - six - two - one A:
Answer:
one