Which piece of evidence suggests that Africa and South America formed Gondwanaland 200 million years ago? Coal fields

A shared ocean

Folded mountains

Land formations created by glaciers

Which of the following typically characterizes a tropical rainforests

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?

Match the description of each organism to the appropriate category