As the moon changes appcrance during the month it follows pattern describe the patter

The moon reflects its light from the sun, only the part of the moon that faces the sun is visible. As the moon revolves around the Earth, its shadow covers part of its surface. The full moon is when the entire moon is visible. A quarter way through the cycle, half of the moon is visible, known as the first quarter. Half way through the month, the moon seems to disappear, which is known as a new moon. Another quarter way through the cycle, the other half of the moon is visible; this is known as the third quarter.

I’m going to guess these are the choices: a) recreational skiing developed in the mid-19th century b) it was originally invented as a way of getting from place to place in snowy regions c) downhill skiing is currently the only common form of the sport d) it mostly evolved from snowshoeing- if that’s the cases then the answer would be c) downhill skiing is currently the only common form of the sport