Plz help me with science

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

Nuclear decay is the spontaneous decay of one element into a. an x-ray b. a ray of light c. another element

Which is true concerning the products and reactants of photosynthesis and cellular respiration? a. the products of photosynthesis are sugars and the reactants of cellular respiration are starches. b. the products of photosynthesis are reactants in cellular respiration. c. oxygen is needed for photosynthesis and is given off in cellular respiration.