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The two ways that energy can be transferred are by doing work and by heat transfer.
Answer:
They share the same number of electrons in their valence subshells.
Explanation:
They have the same number of electrons on the outer shell.
1. a) Igneous.
2. c) Metamorphic.
3. b) It broke into sediment and then compacted.
4. d) All types of rocks.
5. a) Wind and rain break down the rock into small pieces.
6. a) Yes, but it should be subtuced first.
7. c) Earth's interior.
8. c) Water.
9. b) Magma is molten rock within the Earth; lava is molten rock on the Earth's surface.
