Why did oceans not exist on earth nearly 4 billion years ago?
a. no water molecules were present.
b. water remained a gas because earth was very hot.
c. water existed as ice because earth was very cold.
d. there was no oxygen gas in the atmosphere

A2 µc charge q1 and a 2 µc charge q2 are 0.3 m from the x-axis. a 4 µc charge q3 is 0.4 m from the y-axis. the distances d13 and d23 are 0.5 m. find the magnitude and direction of the resulting vector r. round your answer to the nearest tenth.

Asample of a gaseous substance changes into a liquid

Will give brainliest! which statement best describes the similarities between fundamental forces? electromagnetic and strong nuclear forces influence the interaction between charged particles within an atom. gravitational and magnetic forces are both types of charges that occur in nature. nuclear and magnetic forces are both related to mass and weight. strong nuclear force is most like electrical force because they are both related to distance.