Many different chemicals have been produced and widely used by society for the benefit of humans. However, oftentimes the chemicals have negative impacts on ecosystems. In paragraph form answer the following: Should chemicals continue to be used despite their impacts on ecosystems? Justify your answer and explain how three chemicals may impact (positive and negative) ecosystems and/or biodiversity of an ecosystem. (/7)

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 process of photosynthesis