What is the expected freezing point of a 0.50 m solution of Na2CO3 in water? Kf for water is 1.86°C/m.​

In stage 2 farmers used the land primarily to grow food for their families and their small communities.

Air masses are characterized by various properties including temperature humidity air temperature pressure and wind speed . which of the following air masses is associated with low relative humidity and high temperature

In the diagram below, ab and bc are tangent to o. what is the measure of