Yes. Half life or better known as Radioactive decay is measured in TIME. Such as seconds, minutes, hours, days, years ect...
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Answer:
A. The rock was made from more than one type of material
C. Sediments and other matter were deposited in layers before lithification
Answer:A blood: 25% B blood: 25% AB blood: 50% O blood: 0%
Explanation:
Answer:
B. Loss of Habitat
Explanation:
All other answers would encourage them to populate.
I believe all living things in the domain are sorted into Kingdoms.