Answer:
The cause of a magnetic force are small electrical currents or moving charges: Tiny circular currents at the atomic level are responsible in a permanent magnet for it to exert a magnetic force.
Explanation:
The answer to question one is A.
The answer to question two is A.
The answer to question three is D.
Answer:
Like all mammals (including whales and dolphins) narwhals need oxygen. ... Fish use their gills to extract oxygen from the water. But narwhals, like us, use their lungs to breathe.
Explanation:
Answer:
The correct answer is the sea
Answer:
A
Explanation:
blue stars have a hotter sufarce arra, thats what makes them brighter.