Question: Q: Each new horizontal row of the periodic table corresponds to the beginning of a new period because a new principal energy level is being filled with what? A:
OPTIONS:
- protons
- photons
- neutrons
- electrons
Answer: electrons

input with options: Q: What does the thymus gland produce? A:
OPTIONS:
- b cells
- insulin
- hormones
- t cells
output: t cells

Q: Q: Vertebrates are a subphylum of what phylum? A:

OPTIONS:
- arthropoda
- hydrozoa
- porifera
- chordata

A: chordata

input: OPTIONS:
- digestive
- pulminary
- respiratory
- cardiovascular Now, answer this question: Q: The heart, blood vessels, and blood make up which system in the body? A:
A:
output: cardiovascular

Q: A flow of one coulomb per second is called one ampere, which is a measure of what? A:

OPTIONS:
- Direct current
- powered current
- performance current
- electric current

Answer: electric current

Q: Q: In what part of the carbon cycle does carbon move between living things and the air? A:

OPTIONS:
- endothermic cycle
- envelop cycle
- abdaspac cycle
- biotic cycle

A:
biotic cycle