#1
It's c, chronological.
#2
It's d, "Stacks of books need to be shelved".
It would be D I believe! Depending on the angle of the mirror and distance positioned!
The answer is the last option "Respiration"
Answer:
Microwave towers are telecommunications towers that use microwaves to transmit telephone and television signals to other microwave towers.
Explanation:
This technology replaced existing transmission wires, but it is almost entirely obsolete as of 2015 due to the advent of fiber optics and other modern methods of telecommunication.
