Which two of the following statements are MAIN ideas of the article?

1. Joe Rainger is studying what
genes cause eye problems in
mice and humans

2. A different gene is affected in mouse eyes than human eyes.

3. Being a geneticist is important laboratory work that requires curiosity and focus

4. Joe Rainger and his wife are expecting to have a baby soon, but they will not do DNA testing.

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.

To wear the full equipment.