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?
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
The average adult has about 21 square feet of skin.
Did you know?
Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.