Explain why the spectral lines are different in the nearby star versus the very distant galaxy.(For Earth System Class)

Find the slope of the line (6,4) and (3,2)

Zac wanted to determine the measure of r and of ? r in the triangle below. to fine the measure of r, zac sets up the problem.42^2 + 24^2 = r 2. determine whether zac set the problem up correctly.

Which of the following is an environmental cost of agriculture? a. agronomyb. cash cropsc. pollutiond. crop rotation