Answer:
2: A tall, fluffy cloud shaped like an anvil
Explanation:
These clouds are usally large and fluffy with a smoothed over top.
I have reason to believe that 2 is the answer, because since all individual pathogens are the same, they will all react in the same way to the antibiotic. thus natural selection will exterminate them the fastest.
Answer:
the change in DNA code is called mutation
Answer:
D
Explanation:
Lava at Earth's surface flows over rocks.
