This topic contains a solution. Click here to go to the answer
|
|
Did you know?
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Did you know?
The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
Did you know?
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
Did you know?
Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.
Did you know?
Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.
![An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution](https://biology-forums.com/gallery/47/medium_12359_07_10_12_6_15_48.png)
![The distribution of cones and rods over the human retina. The figure illustrates the number of cones ...](https://biology-forums.com/gallery/30/medium_548020_05_06_17_11_21_54_302921286.png)