Consider four objects all made of iron. Which has the most total thermal energy? Choose the correct answer.
a nail at 100 °C
a spoon at 25°C
a frying pan at 50 °C
a paper clip at 150 °C

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

Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world

What is the oxidation state of an individual bromine atom in nabro3?