Describe the difference between motion and a reference point

Photosynthesis converts solar energy into what type of energy?

What would happen if the krill were removed from the food web

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity