Answer: B
Substance G reacts with compound XY to form GY and X. This is single replacement
I believe that the answer is B but i am not a hundred percent sure im on the same question for an exam
Answer:
It will take
to exhaust the supply
Explanation:
We have to apply unitary method to solve this problem.
Divide total petroleum reserve by petroleum consumption in each year to calculate estimated time.
Presently,
joules of petroleum are being consumed per year.
Hence, applying unitary method,
joules of petroleum can be consumed in 