OBJECTIVE FORESTRY

Detailed explanation-1: -The plants help to provide oxygen to animals for respiration. They also maintain the balance of oxygen and carbon dioxide in the atmosphere. That is why forests are called green lungs.

Detailed explanation-2: -noun. an area of parkland within a town or city, considered in terms of the healthier environment it provides.

Detailed explanation-3: -The Tropical rainforest of Amazon is known as the lungs of the planet earth’ because they are responsible for the production of about 20% of the earth’s oxygen. They remove a large amount of carbon dioxide from the air and give out oxygen. So, the correct answer is ‘Amazon rainforest’.

Detailed explanation-4: -Answer: Forests are called the green lungs. This is because plants in forests release oxygen through the process of photosynthesis and help in providing oxygen to animals for respiration.