Answer would be True since Russia became Communist in 1917.
A contour line<span> or isoline </span>connects points<span> on a map that are of </span>equal<span> value. Examples of contour </span>lines<span> or isolines are isobars (pressure) and isotherms (</span>temperature<span>). Perhaps the prototypical example of a contour </span>line<span> is that which </span>connects points of equal<span> elevation (that is, height above sea level).</span>
A.true; the earth's land surface is becoming insufficient to support the growing world population
Marine biologists? Divers? they could have multiple names
Surface currents that move in a path opposite to the wind currents
