What substance did the first bacteria on earth release into the atmosphere making other life forms possible?

a. water
b. sunlight
c. oxygen

The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?

Movement that is like a t a type of wave that transfers energy where the particles in the medium move in a circle motion while the energy travels left or right. a type of wave that transfers energy where the particles in the medium move perpendicular to the direction in which the energy is traveling. transfers energy from one location to another a type of wave that transfers energy where the particles in the medium move parallel to the direction in which the energy is traveling. movement that is back and forth, like an equal sign = 1. wave 2. parallel movement 3. perpendicular movement 4. transverse wave 5. longitudinal wave 6. surface wave

Exit what is the density of an object having a mass of 5.0 g and a volume of 45.0 cm3?