how do the principles of convection conduction and radiation explain how the water in the saucepan gets hot

An experimental procedure requires a 10 ml of acid to be dissolved

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

What are scientists who study fossils called? ( a ) astronomers. ( b ) biologists. ( c ) geologists. ( d ) paleontologists.