State the principles of pinhole camera

Ibelieve the correct answer would be c.

The rocks expand when there hot/warm  and contract when they are cold.

Since the pully is a simple machine so the mechanical advantage is a 1

If you're looking for an even spread of clay, silt and sand, add a considerable amount of sand and some clay until the 3 even out". soil texture triangle. silty clay loam soil is approximately 20 percent or less sand, 25 to 40 percent clay, and 40 to 70 percent silt.