Tracey was learning about structural organization in animals. What level of structural
organization BEST describes an egg?
A. a cell
B. a tissue
C. a system
D. an organ

A

Explanation:

Egg cell

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.

answer: b

coz red blood cells marrow and circulates the body for 120 days.