input: OPTIONS:
- molecular weathering
- chemical reaction
- radiation
- mechanical weathering Now, answer this question: Q: What kind of weathering changes the size of a mineral or rock but does not change its chemical composition? A:
A:
output: mechanical weathering

Q: What is the addition of nucleotides to the mrna strand? A:

OPTIONS:
- insertion
- elevation
- axons
- elongation

Answer: elongation

Problem: OPTIONS:
- oxygen
- carbon monoxide
- hydrogen
- carbon dioxide
Q: Q: When animals get rid of their gaseous waste, what is exhaled through their mouth and nose? A:
Answer: carbon dioxide

Problem:OPTIONS:
- meters
- pounds
- teraflops
- newtons

Q: In the equation for pressure, how is force expressed? A:
****
A: newtons

Q: Double strands of what wrap around histone proteins to form nucleosomes, which are coiled into a chromatin fiber? A:
OPTIONS:
- bacteria
- ribosomes
- chromatids
- dna
dna

Q: Many metals react with acids to produce what gas? A:
OPTIONS:
- neon
- mercury
- helium
- hydrogen

Answer:
hydrogen