Identify some extensive and intensive properties of platinum and copper

Hree steps to answering test questions correctly include a. underlining, repeating, reading c. reading, undoing, eliminating b. reading, underlining, erasing d. reading, underlining, eliminating

Scientists observed a rock stratum with fossil. if mollusks evolved before arthropod, where will their fossils be found.

How are brightness and size related when it comes to stars