Read the sentence below and use context clues to determine the meaning of the word buffer:
trees around your house provide a buffer from the summer heat and keep heating bills low in the winter.
what does buffer mean in this context?
attack or assault
cushion or protection
opposition or rejection
safety or assistance

Excerpt from the trip of a lifetime elizabeth mohn 3 a little more than a week ago, my mother and father started packing our suitcases to prepare for our trip. my entire family woke up early sunday morning, packed the car, and began our expedition to niagara falls. when we reached the american-canadian border, i was excited to enter a foreign country for the first time. the third paragraph is mainly about a) traveling to niagara falls b) leaving the hotel. c) seeing the falls. d) returning home.