What are prokaryotes and eukaryotes? WILL GIVE BRAINLIEST

Write a paragraph at least 10 sentences explaining how rocks are used today in society

Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?

Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic