Modern masonry fireplaces are based on designs first developed

a. during the little ice age
b. in the late 1800s
c. after wwii
d. in this decade

a patient chooses to not take a beneficial medical treatment.

explanation:

warm front forms when a moist, warm air mass slides up and over a cold air mass. as the warm air mass rises, it condenses into a broad area of clouds. a warm front brings gentle rain or light snow, followed by warmer, milder weather.

hope i !

answerleaving cheese out to get moldy;