Q: What term describes the splitting of the nucleus of an atom into two smaller nuclei? A:

OPTIONS:
- nuclean fusion
- atomic reaction
- critical fission
- nuclear fission

Answer: nuclear fission

Problem: OPTIONS:
- carbonates acid
- ethylene acid
- ascorbic acid
- acetic acid
Q: Q: The two smallest carboxylic acids are formic acid and what else? A:
Answer: acetic acid

Problem:OPTIONS:
- magnetism
- gravity
- weak nuclear force
- strong nuclear force

Q: What is the force of attraction between fundamental particles called quarks, called. A:
****
A: strong nuclear force

Q: The epidermis is made of which closely packed cells? A:
OPTIONS:
- cancer cells
- nerve cells
- muscle cells
- epithelial cells
epithelial cells

Q: What organism is an important pioneer on cleared rock and soil surfaces, such as volcanic flows and burned forests? A:
OPTIONS:
- cysts
- algae
- pigment
- lichen

Answer: lichen

input with options: Q: What are the specialized building blocks of your body? A:
OPTIONS:
- tissues
- proteins
- muscles
- cells
output:
cells