Some examples of skills used in science include Observation and Measurement. Observational Skills and Measurement Skills.
It started to mold what is now the grand canyons.
Meiosis since they are sex cells just look at the letter e and put s in top and x bottom and that is how you know
Im not 100% sure but the best answer I can give is Prokaryotes because they came to be around the time oxygen did as well.
Answer:
The answer for this is a protein D
