When the patellar tendon is tapped, the result is the contraction of the quadriceps femoris muscle. By contrast, the hamstring muscles remain relaxed due to the: a. stretch reflex.
b. withdrawal reflex.
c. Golgi tendon reflex.
d. crossed-extensor reflex.

The answer is atmosphere. there are four spheres of the earth: 1. geosphere (from greek word 'geo' = ground), 2. hydrosphere (from greek word 'hydro' = water), 3. biosphere (from greek word 'bio' = life), and 4. atmosphere (from greek word 'atmo' = air). a magnetosphere is a region of space around astronomical objects controlled by the magnetic field of that object. through the process of elimination, since lightning is present in the air, it can be found in the atmosphere.

The  correct answer should be a waste

On edgenuity it is d: watermelons