1. Energy can neither be created or destroyed. 2. Conduction. Putting a pot of water on a hot burner. Convection. Putting your wet shoes over an air vent to dry them quicker. Radiation. Sitting in front of the fire to warm your hands up. 3. renewable sources can be used again and again, but non renewable sources cannot. 4. I would recommend solar energy. I think solar energy should be considered because solar energy can be reused, and also because they can use it to power their houses and they wouldn't need fossil fuels to do so. 5. Turn off the lights and open the windows during the day and if something is left plugged into the wall and it is not being used, unplug it.
Peptide just refers to two or more amino acids liking together. A dipeptide consists of two amino acids linking together. A polypeptide is more that two amino acids linking together.
