Which of the following is one of the roles of chloroplasts in plant cells? a. storage of energy as heat
b. breakdown of sugar into energy
c. capture of energy from sunlight
d. capture of energy from food

The answer is joseph is observing the colour of the reaction mixture to see whether proteins are present in the given solution.

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.