Answer:
Drugs can be both good and bad for you, like health drugs or anesthetics.
Some drugs CAN be addictive, alchohol can be a type of drug, cigars contain drugs, not all drugs are illegal, some drugs can be eaten.
Food chains are for example something that another thing eats and it goes down to many different selections and starts off big and vies to small things
Kākahi have a unique life cycle that relies on fish to be successful. Briefly, males release their sperm into the water in spring where it is taken in by the females to fertilise their eggs which are held inside a special brood pouch in the gill.
Oxygen combines with carbon of simple sugar.
Answer:
Although all of the options are important but the best reason is
a) Nitrogen is an essential part of biological molecules such as proteins and nucleic acids (DNA).
Explanation:
- Nitrogen is an essential component of building blocks of life that are DNA, RNA and Protein. It is also needed for the production of chlorophyll. We can say there would be no life without nitrogen.
- Air we breathe is 78% nitrogen but that is in inert form (N2) and we can't use it.
- Nitrogen cycle is the process by which nitrogen circulates into various forms of nature and it make the nitrogen useful to carryout life.
