Q1: Air is a mixture of _______.
Q2: The composition of air includes _______% nitrogen and _______% oxygen.
Q3: Living things like plants produce oxygen by converting _______.
Q4: Animals use oxygen to produce _______ from the food they eat.
Q5: Plants require _______ to trap energy from the sun.
Q6: The movements of air are commonly known as _______.
Q7: Polluting the air with hazardous chemicals can _______ the existence of life.
Q8: Water is considered the _______ of life.
Q9: The majority of water on Earth is found in the _______ and is too salty to drink.
Q10: Soil contains minerals and _______ that are essential for sustaining life.
Q1: Air is essential for living things to survive.
Q2: Water is a renewable resource.
Q3: Soil is made up of living organisms, rocks, and minerals.
Q4: Air pollution can have harmful effects on human health.
Q5: Soil erosion is beneficial for agriculture.
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51 videos|98 docs|37 tests
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