Organic compounds are ............... in nature and possess ........ melting and boiling points.

Explanation

To answer the question, "Organic compounds are ............... in nature and possess ........ melting and boiling points," we need to analyze the characteristics of organic compounds.

### Step-by-Step Solution:

1. **Identify the Nature of Organic Compounds**:
- Organic compounds primarily consist of carbon and hydrogen atoms. They are characterized by the presence of covalent bonds formed due to the sharing of electrons between atoms.
- Since organic compounds are formed through covalent bonding, we can conclude that they are **covalent in nature**.

...