Ion is e
Element is a
Compound is f
Sorry that’s all I know
Answer:
infrared waves
radio waves
ultraviolet waves
Explanation:
Radio waves are used for communication such as television and radio.
Infrared light is used by electrical heaters, cookers for cooking food, and by infrared cameras which detect people in the dark.
Ultraviolet radiation can kill bacteria that are present in water - this sterilises the water and makes it safe to drink.
Answer:
c. As we gain mass, the force of gravity on us increases
Speed = distance/time taken
1484 = distance/3
Distance = 1484 x 3
Distance = 4452 m
Answer:
D
Explanation:
I just took the test and C was wrong, do not listen to that answer. It is "All of the above"