5) explain why we observe the following: a. a blue sky at noon b. reddish sky at sunset/sunrise c. white clouds d. grayish clouds before rain e. black sky over the moon

Which feature of a map shows the relationship between a distance on a map and that distance on earth? key scale grid system compass rose

You have been tasked with sorting the rock samples shown into three categories, with two rocks in each category. what attribute would you use to sort these rocks? which rocks would be in each category? rocks: obsidian, coquina limestone, granite, soapstone,pumice, and gneiss.

Which component of a milankovitch cycle is related to periodic ice ages throughout earth’s history?