Mr. Adams asked his students to write the chemical symbol for the element zinc. He wrote the students’ answers on the whiteboard. Which answer is correct? A.
zn
B.
Zn
C.
ZN
D.
zN

What accounts for an increase in the temperature of a gas that is kept at constant volume? a. energy has been removed as heat from the gas. b. energy has been added as heat to the gas. c. energy has been removed as work done by the gas. d. energy has been added as work done by the gas.

Area around a charged object where the objects can exert a force on another charged objects is an electric

Identify some abiotic characteristics of the tundra biome.