If a one gram sample of water vapor condenses to a liquid and then freezes to a solid how much total energy will have been released?

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

The picture showed normal blood cells which are around and sickle cells which appear much longer people with sickle-cell suffer from the sickle cell anemia which is inherited diseaseit is caused by a change in gene responsible for production of hemo goblin this type of change is known as an

Me with biology endocrine system crossword also image left i need with hw