Michelle wants to salt from water. she tried pouring the salt water through a piece of filter paper, but the salt did not separate from the water. what change should she make to her plan to separate the mixture successfully. a. use two pieces of filter paper instead of one b. freeze the salt water, and then let it melt again c. allow the water to evaporator d. stir the salt water with a magnet

Which of the following correctly describes the early view of catastrophism?

Afigure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 20.9 12000 200 3.33

Beryl states that insulation with the smallest possible thermal conductivity is best to keep a house warm in winter, but worst for keeping a house cool in summer. sapphire insists the reverse is true: low thermal conductivity is good in the summer, but bad in the winter. which one, if either is correct? a. beryl, because low thermal conductivity results in low heat transfer. b. beryl, because low thermal conductivity results in high heat transfer. d. sapphire, because low thermal conductivity results in high heat transfer. e. neither, because low heat transfer is desirable both in summer and in winter.