Question

Write a letter to a bookseller ordering a few book class 7th subject English ​

Answer 1

Explanation:

When we human beings use any natural stuffs to make something new that provides utility and value to our lives, it is called human-made resources. ... In the same manner, when one use metals, cement, sand, wood, & solar energy to make vehicles, bridges, roads, buildings, machinery, etc.

Answer 2

• the process by which green plants make their own food is called as photosynthesis