Life on Earth is______varied and complex.A．amazinglyB．amusedlyC．amazedlyD．amusingly

Air is composed of ______ gas including hydrogen, oxygen and carbon dioxide.A．variedB．vari

Catholicism is an integral and______influence on Irish national life and culture.A．persist

Everything on the earth _____ all the time.A. is changingB. is changedC. has change

Without the sun s light______the earth s surface, no life could exist on the earth.A．warms

For three quarters of its span on Earth, life______almost exclusively as microorganisms.A．

Investigations______ the origins of life on the earth have shown that, given earth－like co