A
Which atmospheric layer contains nearly all the weather phenomena experienced on Earth?
troposphere
Which gas remains largely inactive but helps maintain atmospheric balance?
argon
4. Assertion (A): Nitrogen is essential for plant growth. Reason (R): It helps plants in the process of photosynthesis.
(A) is true but (R) is false.
Which layer burns up meteors?
mesosphere
The atmosphere protects Earth from harmful ______ rays.
uv(ultra violet)
The ionosphere plays an important role in reflecting radio waves back to the Earth.true or false
true
Which atmospheric layer is also known as the ionosphere?
thermosphere.
name the process by which water vapour turns into clouds
what is the full form of gps?
global positioning system
Name the gas that makes up the highest percentage of atmosphere.
Nitrogen
what is the 'Loo' ?
The loo are strong,hot and dry winds that blow during the day in summer,over northern and northwestern India
The word 'Monsoon' originates from the Arabic word 'mausim', which translates to _____.
Season
What is the primary function of the ozone layer in the stratosphere?
It absorbs harmful ultraviolet (uv) rays from the Sun.
the device used to measure atmospheric pressure is known as
barometer
Which season in India is characterized by moisture-laden winds blowing from the Indian Ocean between June and September?
advancing monsoon
What are the pre-monsoon showers in Kerala and Karnataka that aid in the ripening of mangoes called?
mangoshowers
what are the factors affecting humidity?
temperature,wind,air pressure and geographical location of the place.
what is carbonfootprint?
A carbon footprint is the total amount of greenhouse gases—mainly carbon dioxide (CO₂)—released into the atmosphere because of human activities.
difference between weather and climate.
Weather is the day-to-day condition of the atmosphere.Climate is the average weather condition of a place over many years.
what is the mean daily temperature?
it is the average temperature of the day
Which location in India receives the highest average rainfall in the world?
mawsynram
define flood
overflow of water onto land that is normally dry
Why do inland areas experience extreme temperatures?
Inland areas experience extreme temperatures because land heats and cools faster than water. Since they are far from seas or oceans, there is no moderating effect, so days become very hot and nights very cold.
what are structured and unstructured mitigation of floods?
Structured mitigation: Physical methods to control floods like dams, embankments, flood walls, and drainage systems.
Unstructured mitigation: Non-physical methods like flood warnings, land-use planning, afforestation, and awareness programs.
what are the causes of climate change?