How can we use models to classify states of matter and the changes it undergoes

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

Which of the following is true about the speed of light? it depends on the wavelength.

Maya wrote if you step to describe how carbon circulates between the atmosphere and living organisms