Which of the following objects has polarity? A
the Earth, which has magnetic north and south poles

B
the city of Chicago, which has a North and Southside

C
a map of the country, which has a compass pointing north

D
an unmagnetized block of metal, which has a top and a bottom

Acertain substance has a solubility of 12 grams in 100 grams of water at 20°c. this means that the substance will begin to dissolve when 12 grams are present in solution when 12 grams of the substance are stirred into a beaker with 100 g of water, it will begin settling at the bottom when 12 g of the substance are dissolved in 100 grams of water, the solution will be dilute when 12 g of the substance are dissolved in 100 grams of water, the solution will be saturated