1. What is Ecology? a. The study of Earth's Mantle
b. The study of relationships between living things and their environment
C. The study of humans and their impact on Earth
d. The study of plants

B. The study of relationships between living things and their environment

Explanation:

the sun d the answer is sun

glacial erosion, the picking up and movement of earth beneath a glacier, is also referred to as plucking. erosion and transportation of individual pieces of bedrock, especially large "joint block occur as a result of this glacial erosion. plucking is type of erosion in which rocks become frozen into the bottom and sides of the glacier.as the glacier moves downhill it 'plucks' the rocks frozen into the glacier from the ground.