Problem:OPTIONS:
- particular intermolecular forces
- variable intermolecular forces
- angular intermolecular forces
- uniform intermolecular forces

Q: Why do crystals have relatively sharp and well-defined melting points? A:
****
A: uniform intermolecular forces

Q: What distant and extraordinarily energetic objects now seem to be early stages of galactic evolution with a supermassive black-hole-devouring material? A:
OPTIONS:
- pulsars
- stars
- neutrinos
- quasars
quasars

Q: Puberty and other physical changes occurs during which stage of development? A:
OPTIONS:
- childhood
- infancy
- adulthood
- adolescence

Answer: adolescence

Question: Q: Natural methods of asexual reproduction, such as cuttings or budding, include strategies that plants have developed to perform what? A:
OPTIONS:
- multi-propagation
- mono-propagation
- iso-propagation
- self-propagation
Answer: self-propagation

input with options: Q: What is one way of classifying organisms called? A:
OPTIONS:
- cluster
- tuck
- spasm
- clade
output: clade

Problem: OPTIONS:
- deep sea diversions
- deep sea caves
- deep sea resonances
- deep sea trenches
Q: Q: What are the deepest places on earth? A:
Answer:
deep sea trenches