What happened approximately 20,000 years ago?

A. the last ice age

B. the last glacial maximum

C. the last interglacial period

D. a change in Earth's axial tilt

What is 1.724 L expressed in cm3?

At 1 atm of pressure and a temperature of 0 degrees celsius, which phases of H2O can exist? A.) ice only B.) ice and water C.) ice and water vapor D.) water only E.) not enough data to calculate

Which organ plays a role in the digestive system but not a part of the digestive tract?

How do plants get nutrients from animals? A. When the animal dies, it decays and the nutrients from its body go back into the earth where they are absorbed by plants. B. House plants get nutrients from plant food; other plants don't get any. C.

40 mL of 2.0 molar NaOH reacts with 8.0 mL of a monoproticacid. What is the molarity of the acid?

Refrigerators are usually kept at about 5°C, while room temperature is about 20°C. If you were to take an ""empty"" sealed 2-liter soda bottle at room temperature and place it in the fridge, would you expect it to contract to one-fourth its original

You want to analyze a cadmium nitrate solution. what mass of naoh is needed to precipitate the cd2 + ions from 32.7 ml of 0.499 m cd (no3) 2 solution?

How much is 35° C in F?

Which describes a precipitate in a chemical reaction? a a gaseous product formed from aqueous reactants b a solid reactant that forms aqueous product c a gaseous reactant that forms aqueous products d a solid product formed from aqueous reactants

Prepare a solution that is 0.1 M acetic acid and 0.1 M sodium acetate by measuring out 5.0 mL of the 1.0 M acetic acid solution and 5.0 mL of the 1.0 M sodium acetate solution in a 100 mL graduated cylinder, diluting the 10.