A, it’s the only one that fits
Answer:
a
Explanation:
his frustration with things he deos not understand
Answer:
saw its a past-tense verb
Explanation:
What english are u trying to get us to check be more specific
Answer:
The correct answer for this question is D) Over time the sand bed will become plugged with dirt and require a cleaning process known as backwashing.
Explanation:
This sentence best fits at the end of the topic as it explains that one stage of the maintenance process is the backwashing of the item.
