Some hot water was added to 3times the mass of cold water at 10 centigrad and resultant tem was found to be 20cetigrade what was th temperature of hot water

Eastern europe and parts of northern europe have which of the following climates?

People keep spending additional units of a particular resource on a want until their marginal benefit is  decreasing withgreater thanless thannot affected by  their marginal cost.

In a short paragraph, describe your hometown in terms of its population and impact. do you live in a town or a city? is your home a higher-order or lower-order settlement? how does your hometown interact with other towns in its region? (houston)