A test tube containing known antibody and unknown cells has been incubated and spun. After dislodging the cell button completely, several large agglutinates are apparent with no small clumps or free cells visible. The background solution is clear. This reaction should be graded as:. A. 4+
B. 3+
C. 2+
D. 1+

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.

which

what is a measurement of the earth’s history divided into time periods?

> fossil record <

sedimentary rock

> geologic time scale <

radioactive elements