Which of the following is true for a reliable scientific source?
It cites logic
It cites opinions.
It cites valid data.
It cites common sense.

What is a metal replacement reaction

Which of these is a physical property

Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the “1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line