1. rocks show different minerals or grains that have been segregated into layers or aligned nonrandomly.
a. skarn
b. contact
c. foliated
d. regional

2. which of the following is a type of nonfoliated metamorphic rock?
a. slate
b. gneiss
c. phyllite
d. quartzite

3. what is the main factor that changes rocks during contact metamorphism?
a. heat
b. pressure
c. chemical environment

4. when shale undergoes metamorphism, it becomes
a. slate
b. schist
c. gneiss
d. quartzite

What is the general rule about surface currents? cold water flows along the ocean floor towards the equator. the east coasts of continents have cold surface currents, and the west coasts of continents have warm surface currents. seasonal and constant offshore winds create significant upwelling along the west coasts of south and north america and africa. the west coasts of continents have cold surface currents, and the east coasts of continents have warm surface currents.

Give three differences between oceanic and continental crust brainliest will be awarded

The next best alternative given up when making a choice is called the a. opportunity cost b. comparative advantage c. primary objective d. negative consequence select the best answer from the choices provided. a b c d