Answer:
1991, because that is when the Soviet Union began producing fewer nuclear weapons.
Explanation:
OR C
That has formed a mountain by erupting new material from the same location over 500,000 years. Cicero Over <span>is what ... Instead, the lava is being erupted from a rift and flowing away from the </span>eruption<span>, creating a </span>volcanic plain<span>.</span>
