Please help me, I promise I'll give . 1. How many orders of magnitude exist between an ant which is 3mm long and a human hair which has an diameter of 100 micrometers.

2. Calculate the percentage by mass of carbon in butane, an alkane containing four atoms.

Ar(H) = 1, Ar(C) = 12

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.

Ithink all of these events

It has been around since 1858 so b. false