Why are some volcanic eruptions (like mt. st. helens) more explosive than others (like hawaiian volcanoes) ?

Why do foreign investigators hesitate to invest in central america a. lack of worthy projects B no apparent need. C government corruption D lack of education

In the last paragraph, what does disrupt mean?

What property of detrital sedimentary rocks can be indicative of the energy of sediment transport? grain size fossils mudcracks quartz ripple marks

12. What's the role of the sun's gravity in the solar system?

People live in hot dry climates often rely on? for their drinking water

What Is one way a rift can form

Pioneers farmers settling the grasslands of the American West often built houses of sod, while early settlers of the eastern forest built wooden structures like log cabins. This suggests that building materials:

Troposphere is heated from below because the atmospheric gases are not good absorbers of what kind of radiation

Which nations produce more of the world's pollution? OLDCS OMDCS

How are the agricultural economies of Chile and Peru similar and different?