Bobby and Sam decided to plant a vegetable garden. Sam had heard that earthworms help produce fertile soil. He suggested that they buy worms from the bait shop and add them to the soil before planting seeds. "This is like a science experiment" Bobby replied. If this were a science experiment, what would be the BEST testable question to guide the boys' research? A) What do earthworms eat? B) How do earthworms help plants grow? C) How does the number of earthworms in the soil affect plant growth? D) Does the presence of earthworms really change the soil they live in?

When curium-242 is bombarded with an alpha particle, two products are formed, one of which is a nudge on. what is the other product

1.aluminum chloride (alcl3), and sodium hydroxide (naoh) can react to form aluminum hydroxide (al(oh)3) and sodium chloride (nacl).    you have 13.4 g of aluminum chloride and 10.0 g of sodium hydroxide. answer the following questions: •what is the balanced equation for this reaction? •if you use all 13.4 g of aluminum chloride, how many grams of aluminum hydroxide can be formed? work must be shown to earn credit •if you use all 10.0 g of sodium hydroxide, how many grams of aluminum hydroxide can be formed? work must be shown to earn credit •how many grams of aluminum hydroxide will actually be made?     which reagent is limiting? explain your answer.

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains