Because it completely melted so it is an igneous rock
1Q.Different types of weathering changed the Rocky Mountains,including
water, wind, and chemical. It has caused the mountains to change shape
and erode in places.
2Q.The Rocky Mountains, commonly known as the Rockies, are a major
mountain range in western North America. The Rocky Mountains
stretch more than 3,000 miles (4,800 km) from the northernmost part
of British Columbia, in western Canada, to New Mexico, in the
southwestern United States. Within the North American Cordillera,
the Rockies are somewhat distinct from the Pacific Coast Ranges and
the Cascade Range and Sierra Nevada which all lie further to the
west.
3Q.No
<span>The large bodies of water border the united states are:
</span><span>Atlantic Ocean, Gulf of Mexico, Pacific Ocean, Bering Sea and Arctic Ocean.
</span>United states have land border with two countries, Canada and Mexico.
<span>The United States of America has more than 12,000 miles of coastline which borders three major bodies of water that are, the Pacific Ocean, the Atlantic Ocean and the Gulf of Mexico. </span>
The correct answer for the question that is being presented above is this one: "oxygen became available from cyanobacteria." About 1.2 billion years ago, eukaryotic and multicelled organisms evolved because oxygen became available from cyanobacteria.
Answer:
Mark me as brainliest I'm begging u
Explanation:
Cultural evolution” is the idea that human cultural change––that is, changes in socially transmitted beliefs, knowledge, customs, skills, attitudes, languages, and so on––can be described as a Darwinian evolutionary process that is similar in key respects (but not identical) to biological/genetic evolution.
