What is the best way to define the word biome?
a. a set of areas that experience very little rainfall
b. an area with a moderate climate
c. a region that experiences freezing temperatures year-round
d. a group of areas that support similar communities of plants and animals

Why would the crystals in an intrusive igneous rock be larger than the crystals in a chemical sedimentary rock? a. intrusive rocks form beneath the earth's surface, so they cool very slowly, which produces larger crystals. b. chemical sedimentary rocks form from dissolved substances on the earth's surface with very high heat and cool very slowly, which produces smaller crystals. c. chemical sedimentary rocks and intrusive rocks have crystals of the same size. o d. chemical sedimentary rocks form deep in the earth, so they cool slower, which produces small crystals. € read question correct:

In the diagram below dab and dac are adjacent angles

What is the thickest layer of earth called?