The answer is steamboats! The first steamboat came year 1807 and was invented by John Fitch:)
Climate change causes problems in our environment. The change in climate caused ice to melt and temperatures to rise. Because of the rising temperatures, habitats can be ruined and the animals that depend on that land and are living there can go extinct.
Monumental Axis is the central avenue in Brasilia's city design
Explanation:
The first section of the monumental avenue is known to be the "Ministries Esplanade" because it is enveloped by ministers building. Many important government buildings and monuments are established on the monumental axis.
Cathedral of Brasilia is present there in the monumental axis. It was constructed after 1950 as a plan to construct a modern city. It serves ti be the major transportation point. monumental axis have twelve lanes which marks to be the world' busy dual carriage way.
The correct answer is D
Comets are held together by frozen gases
Comets are floating particles of ice and dust held together by frozen gases such as methane,water,ammonia and carbon dioxide. They are basically chunks of ice and dust.
Answer:
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