<span>Convert 200 km to meters which equals 200000 meters. Then take 10m/s*200000meters which equals 2000000 seconds.
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"Oscilloscope" can be used to show the shape of a sound wave
Hope this helps!
i know for sure the water one is correct with
A. Water is important to some organisms.
I'm 50/50 about the circulatory one BUT
A. carrying heat around the body.
that is your best bet
Solar cells are made out of silicon wafers. These are made out of the element silicon, a hard and brittle crystalline solid that is the second most abundant element in the Earth's crust after oxygen. If you're at the beach and see shiny black specks in the sand, that's silicon.
Hope this helps!
Please give brainliest!
Answer:
matter is the correct answer.
