A cinder block is sitting on a platform 20 m high. It weighs 79 N. The block has energy. A. Kinetic

B. Potential

The reactions of photosynthesis occur in the of plant cell? a. mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.

Aluminum reacts with sulfuric acid to produce aluminum sulfate and hydrogen gas. how many grams of aluminum sulfate would be formed if 250 g h 2 so 4 completely reacted with aluminum? 2al( s ) + 3h 2 so 4 ( aq ) ? al 2 (so 4 ) 3 ( aq ) + 3h 2 ( g )