2. air molecules come in contact with warmer molecules 3. crust are made up of puude-like landmass called

Can you think of a way a rock unit with an older fossil could be above a rock until with a younger fossil? describe the scenario.

How have the competing explanations' experiments on atoms affected the development of the atomic model?

Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions