Which properties of mercury make it a good material to use in a thermometer

Determine the length of the object shown. 97.8 mm 97.80 mm 97 mm 98 mm

Water is a highly important natural resource. which of these would be the best method to conserve water? a) drinking bottled water b) monitoring the ph of rivers c) treating and re-using wastewater d) testing nitrate levels in groundwater

How can nonpolar molecule contain polar covalent bonds