Answer:
mixing chemicals together
Explanation:
eating and drinking
Answer:
1. 1.00(1/2)^151/30.2= 31.3 g
2. 24g-->1.4 g = 4 half-lives, so 4*5730= 22920 years
3. 64g-->2.0g = 5 half-lives, so 12.5/5= 2.5 hours
Answer:
Hmm.
Explanation:
The ocean is the dominant physical feature on our planet Earth, covering approximately 70% of the planet's surface.