Im assuming, if you find rare earth elements, it is important to the technological world bc you can make more products more better, and even invent new and more modern things.
Answer:
Radio, Microwave, Infared, Ultraviolet
Explanation:
look at the EM spectrum
I think it's Letter c.13 if I'm not mistaken
Answer: Adding or removing energy from matter
Explanation:
Solar: rays from the sun shine on solar pannels creating energy which is a renewable energy.
Water: water stored at a dam flows through turbines creating energy which is a renewable energy
Fossil fuels: fossil fuels are extracted from the ground the burned to create energy and this is a nonrenewable resource.
Hope this helps :)
