Which process does not require the presence of a physical substance in order to transfer heat? conduction convection radiation greenhouse gases

Why aren't the stains like crystal violet and safranin washed away with water during simple staining?

Your two friends just told you what to order for them at the drive through fast food restaurant. you give the order but when the food comes about 10 minutes later, you don't remember what each of your friends ordered your memory of the order was in __ memory. a. semantic b. flashbulb c. long-term d. short-term i think i know but i'm not really sure

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?