Answer:
B. Carbohydrates provide energy for living things.
Explanation:
Answer:
Plucking...happens when glaciers pull rocks from the earths surface
So I believe that your answer would be 3
Explanation:
Plucking is removal of entire chunks of rock. Courtesy of Rocky Mountain National Park. Glaciers can shape landscapes through erosion, or the removal of rock and sediment.
Hope this helps:)
The correct answer is (b) <span>They can be directly observed.</span>
discovering dna was the greatest step in celld3