Question
What is the percentage of total Forests cover of the
global land area?Solution
Forests cover 31 percent of the global land area. The total forest area is 4.06 billion hectares, or approximately 5 000m2 (or 50 x 100m) per person, but forests are not equally distributed around the globe.
A current of 3 A flows through a 10-ohm resistor for 5 seconds. What is the total energy dissipated by the resistor?
Which vitamin can be synthesized in the liver?
Which vitamin is essential for blood clotting?
Which metal is the best conductor of electricity?
The ozone hole that has been detected lies in the atmosphere above –
What are diatoms?
Which one of the following oxides reacts with both acid and base?
Deficiency of _________ causes the leaves to develop a dark green colouration.
When electric current is passed through a wire, the amount of heat produced in a wire depends upon _____.
I. Length
II. Thickness
The oldest type of energy known to man is –
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