Which evidence supports the idea that life on Earth has continually evolved? o evidence from layers of tree rings
o evidence from rock layers, fossils, and ice cores
O evidence gathered from melting glaciers
o evidence that the climate has changed over the past 100 years

Plants can have a positive and negative effect on the rate of weathering

Ahis which describe the horizons in a soil profile? check all that apply. horizon a is mineral deficient. bedrock lies below the soil layers. te horizon o forms from organic material, horizon b undergoes the least amount of change. horizon c is least affected by the soil formation process.

What is the pattern of urbanisation around the word?