Add fertilizer to the soil. Water the garden more often. Plant different vegetables in the garden. Observe the plants to identify the source of the damage.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Monica grows vegetable plants in her garden. The plants have holes in their leaves and look unhealthy. Which task should Monica do first to solve this problem?
Possibilities:
- Add fertilizer to the soil.
- Water the garden more often.
- Plant different vegetables in the garden.
- Observe the plants to identify the source of the damage.

Observe the plants to identify the source of the damage.