The first one because the scale is straight, let me know if you get it right
The claim should be sent through the process of latter making. The answer goes with the wuestion
Answer:
Due to presence at early days of the planet.
Explanation:
We only find the remains of single celled organisms in the oldest fossils because the single celled organisms are the organisms that were present in the early days of this planet. These single celled microbes were present about 3.7 billion years ago while on the other hand, the oldest rocks are only a little older i. e. 3.8 billion years so these single celled organisms are considered as oldest fossils on this planet.
A is the answer
a replication fork
I’m not for sure but I believe it is A
