C they can infect a host and cause disease
Edge 2020
They carry a combination of their genetic traits.
The factor that does not help determine whether a volcanic eruption will be explosive or relatively quiet is the composition of the lava.
On the other hand, the composition of the magma, the temperature of the magma, and the amount of dissolved gases in the magma are quite important for determining this.
I would assume the answer to your question is A. “Because only men have the Y chromosome, so the women i. the class wouldn’t be able to participate.”