What type of rock forms when heat or pressure change an existing rock? Question 2 options:

Igneous

Metamorphic

Sedimentary

Soil

The earth's polarity has switched many times through history as evidence by what wh the earth clorets he has switched many times throughout history as evidence by what

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

Which is not a likely outcome after extensive irrigation of dry farmland? useless, unproductive soil salinization of the soil depletion of groundwater nutrient-rich soil