What causes sediment to change into hard rock?

What is hydroelectric power produced by?

In which terrestrial biome can you find trees that produce cones instead of flowers and needles instead of leaves? have trees that produce cones instead of flowers and needles instead of leaves. the latitudes in this biome have evenly distributed precipitation throughout the year. is it high or low

Temperatures in ponds and lakes vary by season. select the best answer from the choices provided t f