Standby Agreement. An agreement between the issuer of a security and its underwriters stating that the underwriters are responsible for any unsold portion of the issue. That is, the underwriters agree to buy the remainder of a new issue if they are unable to place its entirety with investors.
A sponge has water flow in through the pores. The water contains the food and oxygen the sponge needs. Respiration. A sponge takes in water through its pores and in more advanced forms, with canals that move the water to all throughout the sponge.
Best Answer: P waves travel through both solids and liquids but slow down in the liquid layers of the Earth. S waves travel through solids but are absorbed by the liquid layers of the Earth. S waves travel slower than P waves and are transverse (P Waves are compressional). These factors could be why P waves don't have the energy to pass through liquids. Also, this is why there is a large S wave shadow zone.