Answer:A compound is a substance formed when two or more elements are chemically joined.
Explation:Water, salt, and sugar are examples of compounds.
I hope this helps<3
physical property is a characteristics of a pure substance that can be observed without changing the substance into someone else.
Answer:
gravity
Explanation:
Gravity pulls the planets toward the Sun. Gravity pulls the moon toward Earth. Gravity pulls us toward the Earth. Gravity is a force. Inertia.
Ohm's law states that V = IR
87 = 2 x R
R = 87/2 ohms
Hope this helps :)
Answer:
Velocity v= 12.25 
Explanation:
The first rock dropped give the distance Y in meters

Now the motion of the second rock the time change so to know the velocity
