What two quantities must be known to calculate the density of a sample of matter?

a. mass and volume

b. length and mass

c. size and weight

d. weight and volume

Resources that can be replenished over a relatively short time span are called?

How does latitude affect the temperature pf a climate? How does altitude affect the temperature of a climate?

Which action best demonstrates the transformation of mechanical energy to heat energy to light energy? A) Striking a matchstick B) Squeezing a sponge ball C) Rubbing hands together vigorously D) Releasing a stretched spring

If the pH changes from 5 to 6, the H + would concentration would?

Heat is a Substance (Has particles) True or False?

Which type of luster gives the mineral the appearance of metal?

Anything that contains only one kind of material?

One mole of propane (c3h8) gas reacts with five moles of oxygen (o2) gas to produce three moles of carbon dioxide gas (co2) and four moles of water gas (h2o).

How many nitrogen molecules are in 1.2 moles of N2?

Which best describes how sediment forms?