<u>Using stone to build tools.</u>
Stone was a familiar material that was used in numerous ways.
Answer:
state or federal laws about ramp-accessible entrances for schools
Explanation:
The main information that would need to be analyzed before making a decision should be state or federal laws about ramp-accessible entrances for schools. This is because ramps are a necessity for all public access buildings including schools but there are specific guidelines and specifications that must be followed when implementing ramps. Therefore, since they are a necessity and must be implemented, the other options do not matter but following the guidelines and specifications provided by government laws is a must.
Answer:
B. Production costs is the correct answer.
Explanation:
Answer:
We breathe in air which has a higher concentration of oxygen than carbon dioxide and we breathe out air with a higher concentration of carbon dioxide. Both the gases are present in the inhaled and the exhaled air.