This topic contains a solution. Click here to go to the answer
|
|
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
Did you know?
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Did you know?
People about to have surgery must tell their health care providers about all supplements they take.
Did you know?
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.