Under what conditions can the resultant of two vectors be determined simply by adding their magnitudes as scalars?

How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by

Arrange the images in order to show how lake-effect snow occurs.

Explain what will happen if decomposers were apsent from a forest ecoysystem.