NEED ASAP!! Water has the chemical formula of H20. Which of the following best describes the properties of Hydrogen (H) and Oxygen (0) when they come together to form water?

A. They combine and form a compound with new properties.

B. They combine and form a compound with their original properties.

C. They combine and form a compound that keeps only the properties of Oxygen.

D. They combine and form a compound that keeps only the properties of Hydrogen.

Aball is thrown horizontally from a cliff at 8m/s .in what direction is the ball moving 2s later?

Acar starts from rest at a stop sign and reaches a velocity of 25 m/s w in 4 seconds. determine the acceleration of the car. question 3 options: a) 6,25 m/s2 b)6.25 m/s c)100 m/s2 d)100 m/s

Sally turns on her cellular telephone to speak to her friend who is located thousands of miles away. which of the following best describes how such a telephone is able to transmit and receive information? a. the cellular telephone transmits, receives, and encodes information using only sound waves. b. the cellular telephone transmits, receives, and encodes information using only electromagnetic waves. c. the cellular telephone transmits information by electromagnetic waves to a receiver which then encodes them and produces sound. d. the cellular telephone transmits information by sound waves to a receiver which then encodes them and produces electromagnetic waves.