The answer is surface mining
Answer:
option C is correct answer of this question
The answer is D. Dissolution
Answer:
Which of the following is not a way in which a vascular plant's xylem and
phloem are similar?
The function of the tissues in the plant's body
Explanation:
they perform different functions, one carries or transports water while the other transport nutrients
Answer:
The same
Explanation:
Half life is the time taken for the number of atoms in a radioactive sample to decrease to half of the initial number of atoms. It is also the time taken for the activity of a radioactive sample to decrease to half of its original value.
If samples A and B were obtained from the same rock, then they contain the same number of atoms having the same initial activity even though the samples were not prepared in the same way for analysis.
Hence, samples A and B have the same half life.