Hi!
The answer is 3. All these answers are correct.
Practical radio communication was furthered by enthusiasts who were experimenting with Hertz and Maxwell's findings.
By the theory of modulation because it helped establish the earliest method to transmit voice by radio.
By the use of vacuum tubes because they made detection and amplification of radio signals possible.
So, all of these 3 factors furthered the development of practical radio communication.
Explanation:
The earth revolves around the sun once each year and spins on it's the axis of rotation each day.
The correct answer is A) Growing challenges by dissenters to civil authorities.
The development in the Massachusetts Bay Colony in the 1630s best represented by the excerpt by Anne Hutchinson is "Growing challenges by dissenters to civil authorities."
Founded to be the "city upon a hill," the Massachusetts Bay Colony was founded by John Winthrop in 1630. He was interested in establishing protestant reformations and freely practice their strict religious teachings. Puritans also tried to convert the Native American Indians tribes into Christianity.
However, the settlement had its political difficulties, as was the case when Puritans showed no tolerance to the criticism expressed by Roger Williams and Anne Hutchinson, who had to leave the Massachusetts Bay Colony and founded the Rhode Island colony.
Answer:
Medicare and Medicade are government programs intended to help people who are financially disadvantaged get or obtain medical help.
Explanation:
The government program helps to cover costs of medical expenses that people with low incomes may have trouble with.