This topic contains a solution. Click here to go to the answer
|
|
Did you know?
The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
Did you know?
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Did you know?
In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Did you know?
The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.
![A pygmy hippopotamus rests in some water to help prevent its skin from cracking at Ueno Zoo in Japan](https://biology-forums.com/gallery/47/medium_12359_25_04_12_3_15_23.jpeg)
![Coronary stent. Illustration of an angiogram revealing a coronary stent, which helps prevent closure](https://biology-forums.com/gallery/47/medium_14755_11_11_12_7_15_45_100291618.jpeg)