Match the variables with its corresponding unit

1. s

2. m

3. start m/s

4. end m/s

5. m/s^2

Explanation:

1. t is the suffix for the time and it is related to seconds [s]

2. d is the suffix for distance and it is related to meters [m]

3. Vi  is the suffix for the initial velocity and it is related to meters per second [m/s]

4. Vf  is the suffix for the final velocity and it is related to meters per second [m/s]

5. a  is the suffix for the acceleration and it is related to meters per squared second [m/s^2]

answer;

d. are made mostly of liquid

explanation;

-the general   composition and structure planets includes; they have a thick gas and liquid layer covering a small,solid core. mostly the gases are hydrogen and helium atmosphere and layers of liquid hydrogen. for instance neptune and uranus are examples of the outer planets, they have a core covered by ice and ammonia.

-neptune's atmosphere is hydrogen and helium with a bit of methane so there is no oxygen to breath and the interior is made up of frozen water and ammonia with a rock and iron core. thus, there is no liquid water or solid surface to survive.