Fossil fuels such as natural gas and petroleum contain carbon. How did the carbon get into the fossil fuels? It was in the air that was trapped underground when the fossil fuels formed.

It migrated into them from the rocks in which the fossil fuels are found.

It was once part of the organisms from which the fossil fuels formed.

It seeped out of coal buried near the fossil fuel deposits underground.

The chemical effect of the endocrine system is longer lasting than the chemical effect of the nervous system. select the best answer from the choices provided t f

The sun generates both mechanical and electromagnetic waves. which statement about those wave is true?

Pl asaaap ! match the term to the correct description. a type of wave that transfers energy where the particles in the medium move perpendicular to the direction in which the energy is traveling. 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 = 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. movement that is like a t transfers energy from one location to another 1. wave 2. parallel movement 3. perpendicular movement 4. transverse wave 5. longitudinal wave 6. surface wave