Answer:
43.83 of nacl are required to make 500.0 ml of a 1.500 m solution
Explanation:
Answer:
The role that white blood cells play is to destroy bacteria.
Explanation:
They destroy them to keep you healthy and to keep u alive. They destroy the virus by eating it away. For example, when u get a flu shot, bacteria is flowing into your system but its not that strong. This prepares your white blood cells for the actual flu. It makes your body stronger, and more resistant.
Answer:
A. Ancient bacteria
Explanation:
From the salt of the earth, researchers have isolated and revived a Bacillus strain, which they believe is >250 million years old. If correct, Russell Vreeland and his colleagues from West Chester University, Pennsylvania, have discovered the oldest living organism in the world.
