The rock found in the riverbed that is smooth is from the result of weathering of water in the river and erosion. The rock deep underground was most likely a product of erosion. The dirt and ground above it were eroded and displaced there to cover the rock.
Answer:
Forest fires. The animals inside wouldn't have enough time to adapt
Explanation:
Higher trophic level is further up the food chain. Further up you go there are less and less competitors. So the answer is true
The farmers are seeing stronger bugs because not all bugs die to the amount of pesticide. Some areas are not spread evenly or some bugs are more resistant genetically.
C) is the best answer, because the stronger ones are reproducing in order to create new resistant bugs.
So,
Your Answer:
C