suppose you are a geologist tasked with analyzing the fossil record in your region and determining when a major marine extinction took place. what changes in the fossil record would you look for?

Connect the whole numbers on the periodic table to indicate what they represent?

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .