Answer:
the correct answer is option c
Explanation:
the half-life of material 2 is 30 hours more than the half-life of material 1
that is, ∆the half-life of the material 2 > ∆the half-life of material 1 by 30 hours (I.e the time taken to deplete up to its half from 60 hours to 30 hours)
Answer:
:poet remember his /her mother in the poem
They misinterpreted the message from the Japanese producers.
Explanation is in the file
tinyurl.com/wpazsebu