Which two body systems are most affected when a person is participating in a long jump? A. endocrine and digestive
B. endocrine and muscular
C. skeletal and digestive
D. skeletal and muscular

The answer is D :) hope this helps

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.