Which environment will probably have the lowest relative humidity?

Which of the following statements with regard to cloudburst is/are correct?

$1.$ It is defined as sudden localized very heavy downpour with cloud thunder and lightning.
$2.$ It mostly occurs in the hilly areas.
$3.$ It results into very high intensity of rainfall, i.e., $250 \mathrm{mm}-300 \mathrm{mm}$ in a couple of hours.
$4.$It occurs only during daytime.

Select the correct answer using the code given below.

Atmospheric conditions are well-governed by humidity. Which one among the following may best define humidity?

Match List-I with List-II and select the correct answer using the code given below the Lists:

Match List $\mathrm{I}$ with List $\mathrm{II}$ and select the correct answer using the code given below the Lists:

Code:

Considering the following statements.

The fog during winter season more on the day when:

1.Sky is clear.

2.Sky is cloudy.

3.Wind is blowing.

Which statements given above is or are correct?

Consider the following statements regarding clouds.
1. The cloud takes the form of a heap/pile
2. Normally they produce little/no precipitation
3. They are a precursor to cumulonimbus clouds
Identify the type of cloud-based on the given characteristics:

Humidity is measured by _____.

Which type of cloud is responsible for heavy rainfall along with thunder and lightning?