One is valuable because people accept it in exchange for goods and services; the other has value as a precious metal.
This is the answer.
Answer:
knowing what is best for people.
Explanation:
The centripetal force of an object undergoing uniform
circular motion is half as great
as before when its radius is doubled and its speed remains constant.
To add, the centripetal force is <span>a force
that acts on a body moving in a circular path and is directed toward the center
around which the body is moving.</span>
I would go with b, a merchant ship
Answer:
A study was published last week on the DNA of Helicobacter pylori, the pathogen extracted from the stomach of Ötzi, the ice mummy
Explanation:
New research at the European Academy of Bolzano/Bozen further clarifies the genetic history of man who lived in the Eastern Alps over 5,300 years ago.
maybe this'll help