Answer:
The most widely accepted hypothesis of planetary formation is known as the nebular hypothesis. This hypothesis posits that, 4.6 billion years ago, the Solar System was formed by the gravitational collapse of a giant molecular cloud spanning several light-years.
Explanation:
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Theodore Roosevelt's Progress party appealed to some republicans and others who wanted change and reform. So the answer is True.
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George Mason was the Virginian who refused to sign the U.S. Constitution but was one of the chief supporters of the Bill of Rights. For this reason he is still considered one of the Founding Fathers of the United States of America.
The primary cause for the Boston Massacre was that patriots in Boston started throwing things such as rocks and sticks at British soldiers, which caused the soldiers to fire into the crowd. The most significant result was that it helped rally the colonists around the Revolutionary cause.