Accuracy,first person or second person, sources. Proof that the event happened
The first mask was made in 7000 BC. It was used primarily for rituals and ceremonies and where typically made of leather or wood. Keep in mind, these where the first masks that our modern generation has been able to find and preserve, masks could have been made earlier than this but detirriorated over time.
However, the first modern surgical masks where made in the early 1960s and replaced a more primitive method of cloth masks.
I hope I have helped! :)
Answer:
Law of increasing costs.
Explanation:
The law of increasing costs is a rule in economic science, according to which with increasing production of the product the opportunity costs also increase, that is, with the production of each new unit of product, the costs of producing this additional unit of product also increase.
Opportunity costs are the number of products that must be sacrificed in the production of any quantity of other products. And the law of increasing costs states that the production of an additional unit of product 1 leads to an increase in the number of refusals to produce product 2.
The correct answer is <span>The colonists could criticize the government as long as they were speaking the truth.
Zenger was accused of criticizing the government because it was perceived to be libel. When it was proven that it wasn't libel but rather that he was pointing out things that are true, it was established that speaking truth even against your government means that you can't be charged with libel since libel is based around defamatory lies.</span>