It is earths heat______ scientists have developed a sensitive instrument to measure.A．whoB

Earth scientists have come to understand that climate______.A．is going through a fundament

Natural gas is used in Bremo to heat water because______.A．it produces more steamB．it caus

It is _______ to tell which is earth and which is sky.A: enough easyB: easily enoughC:

The fact that the earths surface heats______provides a convenient way to divide it into te

The cause for the heat in interior of the earth is______.G.E.OLOG.I.STS H.A.VE. B.E.E.N. S

The sun heats the earth ______ makes it possible