Nina is working with electricity and shortens the wires through which current is flowing. What is Nina most likely trying to accomplish

At what time will the interfering waves have an amplitudeof zero?

The largest observatory complex in the world is on mauna kea, the tallest mountain on earth. what are some factors astronomers consider when selecting an observatory site? don’t forget practical ones. should astronomers, for example, consider building an observatory on denali (mount mckinley) or mount everest?

The fine detail of saturn's rings provides evidence that the planet may be: a. young b. millions of years old c. in a state of growing larger