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Questions in chemistry

📝 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?

📝 Answered - Perform the following calculations. Express the answers with the correct number of significant figures. a) \( 7 \, \text{g} - 3.5 \, \text{g} - 2.75 \, \text{g} = \) b) \( 200.00 \, \text{kg} - 199.0 \, \text{kg} = \) c) \( 25 \, \text{L} - 3.0 \, \text{L} = \) d) \( 0.67 \, \text{cm} + 2.0 \, \text{cm} + 0.090 \, \text{cm} = \) e) \( 104.5 \, \text{g} + 0.40 \, \text{g} = \)

📝 Answered - What causes climate change?

📝 Answered - Is \(\text{Ba(NO}_3)_2\) covalent or ionic?

📝 Answered - What are some advantages of using less farm machinery in planting?