Average speed=total distance travelled/time
Answer:
a scientific law must be universally correct there could be no contradictions regarding the law anywhere
Heat from burning fuel warms the walls of the firebox section of the furnace in
A. a hot-water heating system.
B. a hot-air heating system.
C. a compressor compartment.
D. an evaporation system.
Answer:
Behaviour and uses of electromagnetic waves
Radio waves. Radio waves are used for communication such as television and radio. ...
Microwaves. Microwaves are used for cooking food and for satellite communications. ...
Infrared. ...
Visible light. ...
Ultraviolet radiation.
