Are violent explosions from sunspots in which gas and tremendous amounts of energy are blasted into space away from the sun.

Why do mountaineers become breathless as they reach high altitudes

Which charactistic is a property of water ?

3. draw a topographic map that displays the following features: (4 points each) a. the contour interval is 20 meters. b. the point of lowest elevation is 960 meters. c. the point of highest elevation is 990meters. d. there is at least one sinkhole or depression, at any elevation. e. there is at least one steep slope and one gentle slope.