What is the major cause of the Earth's magnetic field?

magnetic materials on the Earth's surface

charged particles from the sun

the Earth's magnetic lithosphere

the Earth's liquid outer core

Which explains why krypton was most likely given this name

Name 6 measurable properties of weather and climate

A substance with a pH of 5 is a: a. weak base b. strong base c. weak acid d. strong acid

Which quantity is equal to one mole of au

You are instructed to deliver about 2 mL of water from a buret with a precision of 0.01 mL. Which of the following measured volumes is consistent with these instructions. a. 2.03 mL b. 1.87 mL C. 2.0 ml d. 1.999 mL

If an object mass is 50 g, and it's volume is 10 cubic cm, what is it's density

According to one acid-base theory, the H2O (l) molecules act as a ...

What does H2 stand for

How the model of an atom has changed over time because?

Which of the following conditions indicate a basic solution at 25°C? a. POH=11.21 b. pH=9.42 c. [OH-]>[H+] d. [OH]> 1.0 x 10^-7 M