Which geologic era lasted the longest?

A) The Cenozoic

B) The Mesozoic

C) The Paleozoic

D) The Precambrian

Which nuclear emission moving through an electric field would be deflected toward the positive electrode? A.) Alpha Particle B.) Beta Particle C.) Gamma Radiation D.) Proton

The specific heat of water is 4.18 J (g°C) and that of wood is 1.97 J / (g°C). Whích statement is correct?

If there were only three electron groups around an atom, how would they be arranged?

Which is a characteristic of a strong base? It turns pink phenolphthalein colorless. It turns blue litmus paper red. It releases H + ions into a solution. It removes H + ions from solution.

If 0.2 M Ag+, 2 M Ba2+, and 2 M Ca2 + are added to a Na2SO4 solution, which will precipitate first? (Ksp of Ag2SO4 = 1.4 x 10-5, Ksp of BaSO4 = 1.1 x 10-10, and Ksp of CaSO4 = 9.1 x 10-6) A.) BaSO4 B.) Ag2SO4 C.) BaSO4 and CaSO4 D.) Ag2SO4 and CaSO4

When you measure something in meters cubed, you are measuring

Low density: low pressure: high density Is which. evaporation? water vapor? condensation / liquid water

Which structures are found on sponges? pores medusae polyps stinging cells

Coefficients in a chemical equation are used to: balance the number of atoms on both sides of the equation ensure that all subscripts on both sides of the equation are the same indicate energy changes that occur during the reaction indicate the type

What determines your blood cholesterol level?