Scientific method would be the answer.
Answer:
The correct option is : c. the lungs
Explanation:
The heart is a muscular organ which is divided into four chambers in the humans, birds and other mammals. The four chambers of the heart are: right ventricle, left ventricle, right atria, left atria.
The right ventricle of the heart receives the deoxygenated blood from right atrium and then sends the deoxygenated blood to the lungs, through the pulmonary valve and arteries.
Answer: 500 feet
You must yield the right-of-way to any fire engine, ambulance, or other emergency vehicle flashing red lights. Drive to the right edge of the road and stay at least 500 feet behind any moving fire truck or ambulance. Do not go nearer to them nor stop in the intersection.
Answer:
Pea plants are naturally self pollinating.......
Explanation:
As they are self pollinating , there's no any way for their pollination . But we can also pollinate the pea plants manually