CO is poisionous and CO2 is non toxic in nature.
CO forms complex with haemoglobin which is more stable than complex of oxygen with haemoglobin. The concentration range of 3-4 % of CO decreases the oxygen carrying capacity of blood. This causes headache, weak eyesight, nervousness and cardiovascular disorders. Higher concentration can be fatal. CO2 is harmful at a very high concentration.
Australia/Oceania is the smallest continent
India is an LEDC (<span>less economically developed country). </span>
<span>It's due to population explosion, illiteracy, corruption ..
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Which of the following soil-building processes contributed most to making the shaded area on the map suitable for agriculture? Floods deposited rich silt over the land in a soil-building process that made the land fertile.