Area of reduced temperature Visible from earth
Large amount of magnetic activity

Which part of the sun is BEST described by the characters above?

A) Corona

B) Sunspots

C) Photosphere

D) Solar Flares

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.

Sink holes may eventually for to join a. wide valleys b. zone of aeration c. dripstones d. aquifer

In the diagram, δgef and δhef are congruent. what is the value of x?