Answer: After three half-lives 1/8 (12.5%) of the original sample remains
Answer:
85% of 20 is 17
Explanation:
You can multiply 85% and 20 or subtract 85% from 20.
Answer:
so far from what i've seen its been 80 mil
Explanation:
the power of GoogIe
Answer:
Examples of permineralization
Most dinosaur bones are permineralized. Petrified wood: Permineralization is the first step in petrification.
c well actually I remember being tought this but I cant remember it 100