Define the term stress for plnats .Discuss briefly the two types of stress encountered by plants .

Explanation

### Step-by-Step Solution

**Step 1: Define the term "stress" for plants.**
Stress in plants can be defined as any external factor that negatively influences their growth, productivity, reproductive capacity, or survival.

**Step 2: Identify the two main types of stress encountered by plants.**
The two main types of stress that plants encounter are:
1. **Abiotic Stress**: These are environmental stress factors that include conditions such as salinity, extreme temperatures, and drought.
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