What type of energy is involved when a river moves sediment and erodes its banks? a. chemical energy b. gravitational energy c. potential energy d. kinetic energy

Easy definition for atom and atomic mass

How did planetesmals form planets? a. they broke apart into smaller chunks.b. they collided and stuck together.c. they cooled and pulled ice together.d. they began to rotate.

The missing component to the table to the right or indicated with orange letters complete the table by filling in the corresponding numbers or symbols