Answer:
Some Russian rivers are used for transportation during winters when they are frozen
Explanation:
In harsh winters, many Russian rivers act as a transport arteries as trucks drive over them while rivers are frozen, Most Russian rivers flows from south to north instead of east to west, restricting their use in the winters of Russia. Russia's main coasts are St. Petersburg and Kaliningrad, and Novorossiysk and Sochi are also the largest ports in the Black Sea.
Answer:
The solar system began as a slowly rotating nebula composed of dust and gas particles.
Explanation:
this answer is from my k-12 test and is the correct answer ;)
b. shield volcanoes, cinder cones, and composite volcanoes.
c. calderas, conduits, and vents.
d. shield volcanoes, cinder cones, and calderas.