Q: Q: What are floods a source of on a floodplain? A:

OPTIONS:
- salt
- acids
- minerals
- nutrients

A: nutrients

input: OPTIONS:
- the solution
- electricity
- the base
- acid Now, answer this question: Q: The strength of what depends on the concentration of hydrogen ions it produces when dissolved in water? A:
A:
output: acid

Q: In celsius, what is the boiling point of water? A:

OPTIONS:
- zero degrees
- two hundred twelve degrees
- ninety eight degrees
- one hundred degrees

Answer: one hundred degrees

Problem: OPTIONS:
- Arctic circle
- Antarctic ridge
- Pacific rim
- mid-atlantic ridge
Q: Q: On which ridge does iceland sit? A:
Answer: mid-atlantic ridge

Problem:OPTIONS:
- acidic
- covalent
- ionic
- peptide

Q: Amino acid units in a protein are connected by what bonds? A:
****
A: peptide

Problem:OPTIONS:
- constant aberration
- carbon aberration
- angular aberration
- spherical aberration

Q: What is it called when rays focus at different distances from the lens? A:
****
A:
spherical aberration