The Three R's are reduce, reuse and recycle. Print on both sides of the paper to reduce paper wastage in school. At home, on the other hand, avoid buying items that are over packaged with plastic. Use paper or reusable bags! :)<span />
Answer:
The efficiency of the cardiovascular system
Explanation:
Cardiovascular endurance is how efficiently your heart, blood vessels, and lungs to supply oxygen rich blood to working muscles during physical activity (aerobic activity like walking, running, cycling or playing a sport) for a prolonged period of time or for more than 90 seconds.
The suffix ist means one who, that which.
