The map below shows areas on Earth that show evidence of once have glaciers. Which theory is supported by this information ?

A. The theory of selection and plate formation

B. The theory of plate tectonics and continental drift

C. The theory of glacial formation

D. The theory of a frozen Earth

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

In vapor-liquid equilibrium in a binary mixture, both components are generally present in both phases. how many degrees of freedom are there for such a system? the reaction between nitrogen and hydrogen to form ammonia occurs in the gas phase. how many degrees of freedom are there for this system? steam and coal react at high temperatures to form hydrogen, carbon monoxide, carbon dioxide, and methane. the following reactions have been suggested as being involved in the chemical transformation:

Find the midpoint of a segment with endpoints of 4-3i and -2+7i