The answer would be letter A. globular cluster. This group of very old stars that are clustered together in a spherical in shape and can contain from 10,000 to several million is called a globular cluster. In our galaxy, there are 150 globular clusters.
The answer is C: What is the cause of cancer in mice
Peremeability ,<span>Water can pass freely through the cell membrane.</span>
Answer b
I think I’m not sure
Explanation: