There may be some strains of bacteria that are naturally resistant to these antibiotics, or there may be some that mutate to become resistant. This means that as antibiotics are used more and more, those that can be killed using the antibiotics die out, but those that are resistant will remain, and will reproduce. Over time, it will be the resistant species that predominate.
Answer:
the answer is number 2. the mantle contains two different layers
Explanation:
The core is way hotter then any other layer.
The core produces magnetic fields.
No one would be able to come back alive for a rock sample from the mantle.
Answer:
false
Explanation:
because one consumer could eat another consumer as in if a lion eats a gazelle they are both consumers hope this helped!
