Proceed with extreme caution
Answer:
spring
Explanation:
A spring forms where the water table intersects the ground surface. Sometimes, the ground surface is lower than the water table. This forms a natural water flow as a spring.
- An artesian well occurs where pressurized formations containing ground water is found.
- Unsaturated zone is not filled with ground water.
- An aquifer is a porous and permeable formation that can store ground water
Explanation:
Given the importance of oxygen for animals, researchers suspected that a sudden increase in the gas to near-modern levels in the ocean could have spurred the Cambrian explosion. ... This supported the idea of oxygen as a key trigger for the evolutionary explosion.
Answer:
1. 21 students chose adventure books as their favorite type of book.
2 .17 students chose mystery books as their favorite type of book.
3. 8 students chose nonfiction books as their favorite type of book
4. The total number of students who voted on their favorite type of book is 60
Explanation:
you need to add all the numbers (the horizontal are also considered)