1. For any type of rock to become sedimentary rock, what must first happen The rock must chemically change.
The rock must be erupted from a volcano.
The must be eroded into sediment.
ebo...
The rock must melt in the Earth's interior.

Match each description to the appropriate biome. tropical savanna desert tropical rain forest taiga tundra has sparse vegetation and very cold temperatures located near the equator and contains trees that form dense canopy layers is very hot and dry, and has plants that need little water has cold winters, heavy snowfall and is dominated by conifers has warm temperatures and is dominated by grasses

Which of the following cell structures is significantly different between gram- positive and gram-negative bacteria?

Math focus 4. calculate a map has index contours at 250 m, 500 m, and 750 m. what is the contour interval?