Which one of the following statements contains an example of an explanation? a. blizzards have become more common on the east coast in recent years. b. the thermostat, which controls the temperature in the house, broke last night. c. whenever it gets too cold outside, my husband worries about the pipes freezing. d. global warming is having impacts on weather patterns across the planet.

Which two pronouns in the paragraph have unclear antecedents? cleaning the closet yesterday i cleaned my closet and dusted it thoroughly. i found receipts in a few of my jeans. i folded them neatly and put them in my drawer. i found an old box decorated with ribbons and a pink bow. it still looked pretty and new. in the bottom drawer, there was a bottle of perfume that mom bought in sweden. the perfume is old, but it still has a fresh, flowery scent. next to the perfume there was an old postcard that dad sent when he visited china.