The element starts off as 100%. half of 100% is 50% and half of 50% is 25%. the element has emitted 2 times the half life which is 10,000 x 2 = 20,000
the fossil bone is 20,000 years old
Answer:
DNA and gesnes and a great time at the end result is a great day to be a great
Explanation:
cells outside and from the bottom of the year and a half years of age and the other day and I have a great day to be a great day to be a great day to be a great day for me and I am a very happy to see the new album and a great
Answer:
both permeable
Explanation:
the cell wall is fully permable however the the cell membrane is selectively permable, there's little to no similarities between them, mainly differences as they're from two different cells completely
2 related plants may produce similar substances that could be used for medicines
2. The endosymbiotic theory suggests that a eukaryotic cell is the result of one prokaryotic cell eating another.