This technique is used to capture and store rain water by making special water harvesting structures so that there is an increase in the recharge of underground water resources.
This technique is used to capture and store rain water by making special water harvesting structures so that there is an increase in the recharge of underground water resources.
(i) Green plants, through photosynthesis, convert carbon dioxide (CO₂) to glucose in the presence of sunlight. (ii) Many marine animals use carbonates dissolved in sea water to form their shells.
(i) Green plants, through photosynthesis, convert carbon dioxide (CO₂) to glucose in the presence of sunlight.
(ii) Many marine animals use carbonates dissolved in sea water to form their shells.
Renewable natural resources are those which can maintain themselves or can be replaced if managed wisely, e.g. water, soil, living things such as crops, forests, domestic animals, wildlife
Renewable natural resources are those which can maintain themselves or can be replaced if managed wisely, e.g. water, soil, living things such as crops, forests, domestic animals, wildlife
What is rain water harvesting?
This technique is used to capture and store rain water by making special water harvesting structures so that there is an increase in the recharge of underground water resources.
This technique is used to capture and store rain water by making special water harvesting structures so that there is an increase in the recharge of underground water resources.
See lessName the two acids that are present in acid rain.
Sulphuric acid (H₂SO₄) and Nitric acid (HNO₃).
Sulphuric acid (H₂SO₄) and Nitric acid (HNO₃).
See lessName respiratory diseases that may occur due to air pollution.
Bronchitis, asthema, lung cancer, tuberculosis.
Bronchitis, asthema, lung cancer, tuberculosis.
See lessName the articles which act as nucleus for water droplets to form around in the atmosphere.
Dust, smoke and other suspended particles of air.
Dust, smoke and other suspended particles of air.
See lessGive two ways in which carbon dioxide is fixed.
(i) Green plants, through photosynthesis, convert carbon dioxide (CO₂) to glucose in the presence of sunlight. (ii) Many marine animals use carbonates dissolved in sea water to form their shells.
(i) Green plants, through photosynthesis, convert carbon dioxide (CO₂) to glucose in the presence of sunlight.
See less(ii) Many marine animals use carbonates dissolved in sea water to form their shells.
Give two examples of non-renewable resources.
(i) Metallic minerals (ii) Fossil fuels.
(i) Metallic minerals
See less(ii) Fossil fuels.
Define renewable resources?
Renewable natural resources are those which can maintain themselves or can be replaced if managed wisely, e.g. water, soil, living things such as crops, forests, domestic animals, wildlife
Renewable natural resources are those which can maintain themselves or can be replaced if managed wisely, e.g. water, soil, living things such as crops, forests, domestic animals, wildlife
See lessWhat are inexhaustible resources?
These are present in unlimited quantity in nature and are not likely to be exhausted by human use, e.g. air, solar energy.
These are present in unlimited quantity in nature and are not likely to be exhausted by human use, e.g. air, solar energy.
See lessWhich political institution can make changes to an existing law of the country?
The Parliament can make changes to an existing law of the country.
The Parliament can make changes to an existing law of the country.
See lessMention any one feature of judiciary (supreme court) in India.
Supreme Court can strike down a law if it goes against the spirit of the Constitution.
Supreme Court can strike down a law if it goes against the spirit of the Constitution.
See less