Suppose you want to find out the effects of light on the growth of tomatoes. What variables would you need to control in your experiment?

If the ph of a solution is decreased from 7 to 6 it means that the

The relationship that allows you to solve average speed is

2 Calculate What is the density of a liquid with a mass of 17.4g and a volume of 20 mL?

What will be the hypothesis? if gummy bears are placed in water for 24 hours, then they will swell to over twice their original size

Balance N2 + H2 - NH3 what type of reaction

Equal masses (in grams) of hydrogen gas and oxygen gas are reacted to form water. Which substance is limiting? a. Oxygen gas is limiting b. Hydrogen gas is limiting. c. Water is limiting. d. Nothing is limiting. e.

Many things can cause an organism to become extinct. Here are some possible causes of extinction. Select the human causes of extinction.

Which word equation shows lithium oxide being formed from the reaction between oxygen and lithium? oxygen + lithium oxide Right arrow. Lithium lithium + oxygen Right arrow. Lithium oxide oxygen + lithium Right arrow.

What happens to the speed of light when waves travel through a denser medium

A 1.79-L flask is filled with propane gas (C3H8), at 1.00 atm and - 16.1°C. What is the mass of the propane in the flask?