The circulatory system keeps the body and its tissues continuously oxygenated. it does this by having
a) veins to carry both oxygenated blood to the tissues and deoxygenated blood to the lungs.
b) arteries to carry both oxygenated blood to the tissues and deoxygenated blood to the lungs.
c) arteries to carry oxygenated blood to the tissues and veins to carry deoxygenated blood from the tissues to the lungs.
d) veins to carry oxygenated blood to the tissues and arteries to carry deoxygenated blood from the tissues to the lungs.

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explanation:

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explanation:

events in order:

1.       vishnu schist

2. zoroaster granite

3. bass limestone

4. hakatar   shale

5. igneous intrusion

6. shinumo quartzite

7. dox sandstone

8. tapeats limestone

9. bright angel shale

10. muav limestone

11. temple butte limestone

12. redwall limestone  

nonconformity

answer: the unkar group shows angular unconformity because the layers are turned at angle.

unconformity

answer: specifically the angular unconformity occurs between the cambrian and precambrian rocks. the dox sandstone, shinumo quartzite, hakatar shale, and bass limestone have been filled. an angular unconformity occurs between the cambrian and precambrian rocks. the dox sandstone, shinumo quartzite, hakatar shale, and bass limestone have been filled.

disconformity

answer: the disconformities aremarked irregular lines between the sedimentaryrocks layers.