Select the correct answer from each drop-down menu. Complete the sentences about Earth’s early biosphere.
After Earth formed, the emerging biosphere had several effects on Earth’s lithosphere. For example, rocks and minerals showed evidence of 1A(enter text here)
caused by the presence of oxygen in air. In a second example, 2B(enter text here)
actually created new rock after being dissolved in water or buried underground.

1A.
1.combustion
2.oxidation
3.fossilization
4.respiration

2B.
1.minerals
2.organisms
3.carbon dioxide
4.sunlight

amber has allowed scientists to study dna that has been preserved over millions of years.

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.