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?

How many energy levels? Explain your answer.

In a first-order reaction (a d b and rate = k [ a., tripling the concentration of a will have what effect on the reaction rate?

What type of symbiotic relationship does a spider crab and algae have?

What are the 4 types of fire extinguishers are there

Order the following ionic compounds in order of increasing magnitude of lattice energy: MgO, CaCl2, KCl, and LiF Group of answer choices MgO < CaCl2 < KCl < LiF KCl < CaCl2 < LiF < MgO LiF < KCl < CaCl2 < MgO KCl < LiF < CaCl2 < MgO KCl < LiF < MgO

200 lb/in" = ? tons/ft?

What variable is not used in the combined gas law

What is bromic acid

Which answer choice best explains why atoms of carbon-14 (C-14) are unstable?

When can polar bears take care of themselves