Answer: c. elements in the same row of the periodic table
Explanation: It kind of represents a graph of the periodic table
They use fans and air conditioning in the summer because its hot, which means they use energy and in the winter, there is no need because its cold so less energy.
Mercury is the only metal that is a liquid at room temperature.
your answer is A.
It is used in thermometer.
Answer:
The answer is all of the above
Explanation:
Sound has waves which are compression waves and those waves transfer into energy molecules. Sound is heard by human ears. Sound waves can behave in predictable ways. All sound requires a medium through to travel
