List five habits that are environmentally and how it stop environmental degradation?

Explanation:  - First of all we can reduce the use of cars, of course whenever possible, and thus contribute to reducing exhaust emissions into the atmosphere, and instead ride a bicycle. In addition, according to research, cycling is very important for mental health and contributes to heart health.

- We can reduce the use of plastic bags and similar wastes that are difficult to decompose and damage the environment.

- We can also reduce the daily use of paper to reduce tree felling and preserve the natural forest fund needed to preserve and maintain a healthy environment. It is estimated that about 40% of all cut wood goes to paper production.

- Instead of plastic water bottles we can use bottles that will last. In addition to throwing plastic bottles around and polluting the environment, it takes three litres of water to bottle one litre of water, which is also a waste of water.

- If we cannot stop eating meat, we can at least reduce its intake into our body. In addition to the health benefits, an estimated that red meat 10 to 40 times emits more greenhouse gases than cereals. In addition, cereals used in livestock feed can feed about 800 million people, which would contribute to reducing hunger on Earth.

81 is a composite number.