Answer:
B
Explanation:
In fact, mRNA's bases are directly copied from DNA. However mRNA's bases are complimentary to DNA's .!
Life would not exist. The ozone layer is keeping all the gasses from escaping into space. So, without the ozone layer, there would be no oxygen for animals or carbon dioxide for plants. The ozone layer also reflects space radiation and harmful UV rays back into space, preventing them getting into the Earth's atmosphere.
The time when you can't see any of the moon at all is called "New Moon".
14.77 days later, the phase is "Full Moon".
Answer:
pangaea the thought that all of the worlds countries were together as a giant puzzle
