What does a weather balloon do? check all that apply.

1. warns about severe weather
2. enables forecasts seven to 10 days in advance
3. measures conditions in the upper atmosphere
4. collects data that predicts changes in the atmosphere
5. uses mathematical equations to show what will happen if conditions change

Weathering is an example of an external force of change. question 2 options: true false

All of the following are extrusive landforms except           a. batholiths.   b. lava plateaus.   c. shield volcanoes.   d. geysers.  

Which of the following does not determine the type of magma to erupt from a volcano? a. temperature b. gas content c. viscosity d. silica content what kind of volcano forms from basaltic magma with low-viscosity and low-gas content? a. shield volcano b. stratovolcano c. composite-cone volcano d. cinder-cone volcano what is viscosity? a. a rising mass of mantle abnormally hot and / or wet b. a pool of magma beneath the overlying crust c. what causes a bend to occur in the rock layer d. a measure of a fluid's resistance to flow