A(n) is a large body of air that has the same properties as the Earth's surface over which it develops.

O tornado

O air mass

O front

What statements describe a host organism?

Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas

Jason adds the antibiotic penicillin to a bacterial culture. the bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. what caused this genetic modification?