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Questions in chemistry
📝 Answered - In relation to the Earth's surface, explain where rocks spend most of their time.
📝 Answered - Valuable ore deposits and gem crystals are often associated with: a. oceans b. oil deposits c. thin crustal areas d. igneous intrusions Which of the following shows a possible sequence that leads to the formation of sedimentary rocks? a. squeezing, heating, bending, folding b. rising, weathering, erosion c. weathering, deposition, compaction, cementation d. melting, cooling, crystallization
📝 Answered - Which idea that was once accepted is now considered scientifically inaccurate? A. The nucleus is the center of the atom B. An atom is solid material C. Electrons have a negative charge D. Electrons are arranged in layers
📝 Answered - Iron in the form of fine wire burns in oxygen to form iron (III) oxide. Write the balanced chemical equation.
📝 Answered - The landscape feature that forms when plate movement forces the crust to bend downward is a ______.
📝 Answered - Why might Earth's oceans be described as one huge ocean?
📝 Answered - In kilometers, how much larger is the distance around the Earth from east to west than the distance from north to south?
📝 Answered - A passenger walks toward the rear of a moving train. 1. Describe her motion from a reference point on the train. 2. Describe her motion from a reference point on the ground.
📝 Answered - Why is classification an important life skill?
📝 Answered - What is Neon’s group and period number?
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