Answer:
Guppies can live with other peaceful fish in aquariums, but piranhas should only be kept in tanks with other piranhas because piranhas typically eat other fish.
Explanation:
Radio Waves -- The waves in the electromagnetic spectrum that have the longest wavelengths and lowest frequency are called radio waves.
Answer: friend, mate or ally
Explanation:
George Washington was the first president of the United States of America.
