P1
Explanation:
The final pressure in the vessel is the same as that of the start of the reaction. We can use the simplification of the combined gas law to solve this problem.
The combined gas law is expressed mathematically as;

P1 is the original pressure
T1 is the initial pressure = 600k
P2 is the final pressure = P2
T2 is the final temperature = 600K
Unknown is the final pressure of the reaction
Input the parameters

This leaves us with P1 = P2
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Answer:
c. relative age
Explanation:
Relative age is a method of describing the age of rocks based on their order of appearance in the geologic column.
Events are denoted by their position in the column.
- The premise of most of the assumptions used relative age determination is based on stratigraphic laws.
- Absolute age gives numeric ages to rocks.
Since Luisa is comparing the age of people based on their position in her family, she is using the concept of relative dating.
À because they getting block for water not getting in
Answer:
the time required for one half of a sample of a radioisotope to decay