You got the questions correct
Answer: C
Explanation:
The impact she has on the environment
There are 94 naturally occurring elements
T=2T
m=10 g
m=m₀2^(-t/T)
m₀=m/{2^(-2T/T)=m/2⁻²
m₀=10/2⁻²=40 g
40 grams
Answer:
B
Explanation:
food coloring and water are inseparable after mixed.
