Scientific conclusions are based only on observable evidence true or false

The Earth's systems are all interdependent, which means that A. each system is unique, yet each interacts with the others. B. each system has no influence on the other systems. C.

What is an unsaturated solution?

The process of burning means to react a substance with is oxygen

Which of the following is a part of a land based carbon cycle? coral reefs Crab shells Trees Whales

Which 3 elements had complete out shells? (you will probably need to use the periodic table)

What was concluded about the structure of the atom as the result of the gold foil experiment? (1) A positively charged nucleus is surrounded by positively charged particles. (2) A positively charged nucleus is surrounded by mostly empty space.

Andre is predicting the products of chemical reactions. In one reaction, a hydrocarbon is the only reactant. What is the best prediction and explanation of this reaction? Two new compounds form as the hydrocarbon undergoes a synthesis reaction.

What evidence is there that electrons move around in definite pathways around the nucleus? What evidence is there that electrons m

Are greenhouse gases good for us?

How to convert metric units?