Answer:
Your answer is Gabbro
Explanation:
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Answer: Gravity made the dust and gas in the nebula collide, flattening these materials into a disk.
Explanation: The nebula theory is a scientific explanation of how the planets and our solar system were formed. It suggests that our solar system was formed more than 4 billion years ago due to the effect of gravity on a cloud of gas and dust which were flattened into a disk. The gravity was so great that the matter in the nebula were made to collide against each other until they were compacted to form our sun.
Explanation:
urban areas are mostly characterised by high population advanced technology and basic amenities. The population helps to increase productivity which leads to economic development, employment opportunities that promotes increase in standard of living which in turn helps economic development.
