Answer:
Use of recycled products and renewable energy.
Explanation:
Use of recycled products and use of renewable energy are the solutions which provide resources to everyone and no damage cause to the ecological systems of the environment. By using recycled products have two advantages i. e. the product's price decreases and no pollution occurs while the use of renewable energy such as use of solar radiation for the production of electricity. With this energy, no pollution occurs in the environment and electricity can be provided to a lot of people with low cost.
Answer:
The correct answer is - option C.
Explanation:
Proteins are made up of long chains of polypeptide chains made up of amino acids contain the basic elements of organic matter carbon, oxygen, and hydrogen with the addition of nitrogen.
In the given option set 1, and set 2 lacks the nitrogen elements whereas in set 4 the oxygen is not available, and set 3 have all the elements required for the protein.
Thus, the correct answer is - option C.
