Características esenciales que debió tener nuestro planeta para que se desarrollara la vida y las etapas de formación de nuestra atmósfera terrestre.

Extensive and unusual cold snaps have occurred here recently. is this evidence that global warming is lessening or not occurring? no—although the long-term trend is for warming, short-term weather patterns can still be variable. no—melting of glaciers and ice caps is making the oceans cooler, which can cause cold snaps. yes-- if global warming really were occurring, cold snaps wouldn’t happen. yes—due to global warming, weather patterns should be become less—not more—variable.

Witch are features of the social democracy that is common in europe

Where is the only active diamond mine in the u.s.?