Q: All the atoms of a given element have the same number of what in their nucleus, though they may have different numbers of neutrons? A:

OPTIONS:
- molecules
- electrons
- compounds
- protons

Answer: protons

Problem: OPTIONS:
- spontaneous mutation
- variation
- generation
- evolution
Q: Q: The change in the characteristics of living things over time is known as _________ A:
Answer: evolution

Problem:OPTIONS:
- the debris bowl
- the flow bowl
- the land bowl
- the dust bowl

Q: What historical event taught people that soil could be lost by plowing and growing crops and encouraged new methods to prevent erosion? A:
****
A: the dust bowl

Q: The earliest cells were prokaryotes, surrounded by a cell membrane but lacking which key structure? A:
OPTIONS:
- mitochondria
- ribosomes
- lysosomes
- nucleus
nucleus

Q: Symptoms of viral diseases result from what kind of response to a virus? A:
OPTIONS:
- infection
- pathogenic
- mutation
- immune

Answer: immune

input with options: Q: Zinc reacting with hydrochloric acid produces bubbles of which gas? A:
OPTIONS:
- carbon
- helium
- mustard
- hydrogen
output:
hydrogen