The molten rock that comes from a volcano after it has erupted is known as what?
Which tissue of plants conducts food to its body?
The lens used in a simple microscope is
What is the name of the light sensitive panel of cells at the rear of the eye
In which part of the human body is the organ of Corti?
Nimbus, cumulus and stratus are types of what?
How many bones are in the human body?
Electric resistance is typically measured in what units?
At what temperature are Celsius and Fahrenheit equal?
The following are useful effect of bacteria EXCEPT: