Why is the percentage of oxygen today the same as it was
thousands years ago, even though the whole world inhals it?
Answer / guest
Because plants take carbon-dioxide to make their food and so
the balance remains the same
Is This Answer Correct ? | 3 Yes | 0 No |
Which is heavier, water or ice ?
What is molar conductivity?
How does the viscosity vary with temperature?
Acid value defination is numbber milligrams of KOH required to nuetralise the acid present in one gram oil & fats but why not use NaOH for nuetralisation?
Distinguish between flannel and flannelette ?
Explain the Purification of Organic Compounds ?
What is density of a liquid?
What important property of water makes it possible for plants to grow under it and for animals to live it ?
What is ignition point ?
Hom many total number of inner transition elements are?
What is Electrovalence?
Which expands to the greatest, when heated : silids, liquids or gases ?