This topic contains a solution. Click here to go to the answer
|
|
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
Did you know?
During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
![People have seen patterns in the stars since ancient times.[5] This 1690 depiction of the constellat](https://biology-forums.com/gallery/47/medium_12359_26_01_13_3_44_40.png)
