All of the following types of information show that continental drift has occurred except a animal fossils b the shape of coastlines c the depth of oceans d the age and type of mountains.

An exothermic reaction is conducted in an insulated calorimeter filled with water. the calorimeter is then sealed so that there is no heat exchanged between the contents of the container and the surrounding air. which of the following statements is true about the reaction?

Think about how you can use le chatelier’s principle to find possible solutions to the design problem. describe at least two ways to increase the yield (amount) of ammonia based on this principle.

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.