Answer:
The 3rd Option
Explanation:
Simple for this question, C: an investigation because it uses only observations.
Answer:
b) 20 %.
Explanation:
In 2012, there were many young drivers ( between age 15 and 20 ) who died in vehicle crashes, which is a decrease of 6 percent from 2011.
Additionally to this number, many young drivers were injured in the crashes, compared to 2011, for 2 %.
Motor crashes are the leading cause of death for the teenagers and young adults.
1. physical activity
2. metabolism
3. hormones
4. temperature
5. palatability
6. psycology
7. social influences.
This is what I got hope it helps!
C. moving food through the body and transporting air through the body