Brown algae, such as giant kelp and sargassum, are an example of ? A. macroalgae B chemosynthetic algae C Flowering plants D Phytoplankton

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted

Athe top of a hill, an athlete on a skateboard has x joules of mechanical energy. how much mechanical energy will she have at the bottom of the hill? ignore the effects of friction.