Which layer of the ocean is the least dense? 1. middle layer

2. closest to the ocean floor

3. they are all the same

4. closest to the surface

Read "who built the pyramids? ”. leave this link open while you answer the questions throughout the assignment. give at least two reasons why some people claim the pyramids of giza were constructed by aliens.

Use the periodic table to determine how many grams of oxygen would be required to react completely with 859.0 g c2h2

Which of the following is true about the products formed during photosynthesis? (5 points) select one: a. they have the same mass as the mass of reactants. b. they are the same set of compounds as the reactants. c. they have more mass than the mass of reactants. d. they are chemically the same as the reactants.