The substances in a chemical reaction that are combined or separated to form new substances are the

Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory

In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding.i

What are the coefficients that will balance the skeleton equation below? n2 + h2 → nh3