Listen Base your answer on the cross-section below and your knowledge of Earth Science. The cross-section represents three
outcrops found several kilometers apart. The time period when cach sedimentary rock layer formed is shown. The symbols (star, circle, cross, square, and triangle)
represent fossils of different types of organisms present in the rock layers.
Outcrop 1
Outcrop 3
Permian
Outcrop 2
Pennsylvanian
Devonian
Pennsylvanian
Permian
X
X
Silurian
х
Mississippian
х
Devonian
o
X
Dovonian
O A
Ordovician
Camprian
Silurian
Give one characteristic that makes for a good index fossil.

heat a spark and oxygen

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.

the growth of the plants is affected by the heat of the light. what is the student doing?

osteogenesis imperfecta (oi) refers to a congenital ailment of bones. in the condition, the bones become brittle or fragile. this ailment is a general result of the defect or mutations in the genes (colia1 or colia2). this mutation results in imperfect collagen formation either in quantity or quality wise.  

there are eight kinds of oi defects, and each kind varies with certain distinctions in symptoms. the usual symptoms include frequent bone fractures, loss of hearing in infants, protruding eyes, discoloration of the white in the eyes, respiratory issues, loosening of the joints, short stature, and other symptoms.