he first address the audience as friends
Answer:
the answer is D
Explanation: an artifact is an object made by a human being, typically an item of cultural or historical interest.
Answer:
the events that caused curle to discover two elements
Explanation:
I believe the word means being cautious in this context.
Answer: The verb tack means to attach, add, or change course. As a noun, tack refers to a small nail, the direction of a ship, or a course of action.
