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?

What is the difference between bacterial infections and viral infections?

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.