A. Would be the correct answer.
Universe holds all the galaxies and galaxies hold all the solar systems
A, i think. i don't know a lot but i think a makes the most sense.
Answer:
The manufacture and use of these releases another greenhouse gas to the atmosphere, nitrous oxide. Therefore, increased use of fossil fuels and changes in agriculture have both contributed to the increase in global temperatures because they have both caused the release of more greenhouse gases into the atmosphere.
Explanation:
Mark this as brainiest please ;)
<span>The two lakes connected by canals that help facilitate transportation are Lake Onega and Lake Ladoga
Hope I helped.</span>