|Question 1Verbal

Source Texts

Text
Smartphones and other small electronic devices tend to use batteries that can't be easily taken out and swapped for new ones. Environmental policy researcher Jean-Pierre Schweitzer warns that when these internal batteries stop working, the devices are usually thrown away, becoming harmful       
Which choice completes the text with the most logical and precise word or phrase?
advice
A
rewards
B
waste
C
positions
D