I would think the answer is B.) All species share a common ancestor and that change occurs through time.
- I've recently went over this again with my teacher. I hope this helps! (:
Ur intercostle muscle between ur ribs
Answer:
a) 12 neutrons
Explanation:
The atomic mass is 22.990, which can be rounded to 23 and is the combination of protons and neutrons. The atomic number is 11 (protons), and 23-11=12, whoch would be the neutron number
Hope this helps :)
