Which of these statements is true?
young soils are characterized by well-developed horizons.
soils become mature when they reach ten thousand years old.
the older the soil, the more parent material influences soil characteristics.
soils formed from volcanic parent material are often fertile.
soils form at the same rate, regardless of location.

What causes the cycle of seasons on earth? the tilt of earth’s axis the shape of earth’s orbit the direction of earth’s orbit the distance between earth and the sun

Which statements about wells are true? check all that apply. a) wells bring groundwater from the unsaturated zone to the surface of the water. b) wells need to be drilled below the water table. c) if water is pumped from a well too quicky, the well may run dry. d) water from wells is generally not safe to drink. e) water gushes from artesian wells due to pressure.

Rocks that contain crystals that are roughly equal in size and can be identified with the unaided eye are said to exhibit a texture.