Which foods contain acids? Check all that apply:

a.) limes b.) sourdough bread c.) water d.) sugar e.) honey f.) milk g.) lemons h.) tomatoes

Why the climate is colder close to the north and south poles than it is at the equator

An ionic bond occurs between what particles? two negative ions a positive and negative ion two positive ions two neutral atoms

What does the law of conservation of energy state about energy in a closed system? Energy cannot be created or destroyed. Energy can be created but not destroyed. O Energy can be destroyed but not created. O Energy can be either troyed or created.

Match the atoms which might substitute for one another. Match the items in the left column to the items in the right column. 1. Si A. Na 2. K B. V 3. Nb C. C 4. Cu D. Ag 5. P E. Ca 6. Mg F. As

Balance C2 H602+02 reacts with CO2 + H2O

Name the layers of earth in order from most dense to least dense.

For the oxidation of glucose (C6H12O6 + 6O2 - - > 6H20 + 6CO2), how many grams of oxygen gas will be consumed when 950g of glucose is oxidized completely?

Solve 2v^2-90=0, where v is a real number

What is the relative mass of an electron?

True or False the way energy flows through an ecosystem can be shown through a food web