A pentagon with exactly
1 right angle and exactly
1 acute angle

3. lithuania, latvia, and estonia all signed a peace treaty with germany in 1996 signed a pact with russia in 1996 were admitted to the european union in 2004 were damaged by the chernobyl explosion in 1986

At a continent-continent convergence,

Write a 150-word essay describing the effect of people's activities on the environment in the region.