Problem: OPTIONS:
- thymine
- cytosine
- adenine
- uracil
Q: Q: Of the four main wobble base pairs, guanine is paired with what? A:
Answer: uracil

Problem:OPTIONS:
- eruption
- sandstorm
- quicksand
- earthquake

Q: What sudden ground movement is caused by the sudden release of the energy stored in rocks, which is transmitted in seismic waves? A:
****
A: earthquake

Q: What kind of reaction, in general, keeps stars shining? A:
OPTIONS:
- magnetism
- fission
- evolution
- fusion
fusion

Q: What type of diseases in humans are caused by protozoa? A:
OPTIONS:
- protozoa diseases
- dysentery
- diarrhea
- protist diseases

Answer: protist diseases

Question: Q: What forces the fetus out of the uterus? A:
OPTIONS:
- biological clock
- delayed childbirth
- deep breathing
- continuous strong contractions
Answer: continuous strong contractions

input: OPTIONS:
- cation
- ion
- neutron
- anion Now, answer this question: Q: What is formed when an element gains one or more electrons? A:
A:
output:
anion