Hmm, I believe this is called Convection Currents.
Failure, because stats show that more people have nightmares than good dreams. so failure is a bad thing so it would follow under a nightmare which by stats makes the answer failure. i don't feel like putting all the stats on here so plz take my word for it.
The third answer is correct because if they can fuse into a hybrid then they both can be a Species
Answer:
There are extreme temperature variations, ranging from excessive heat to extreme cold.
Explanation:
Mercury being closest to sun gets extremely hot, but its "night" side (the side that is away from sun at a given time) gets very cold cuz mercury has no atmosphere to trap the heat.