People who suck petrol with their mouths run the risk of ...
People who suck petrol with their mouths run the risk of increasing in their blood the concentration of
iron
lead
calcium
magnesium
Correct answer is B
It has been discovered that tetraethyl lead (better known as lead) provides octane to gasoline, to fix knocking or pinging in engines that could damage them and waste gasoline.
Extremely high lead levels can lead to seizures, coma, and death.
A termite with a relatively large head and powerful jaws is likely to be a ...
Which of the following enzymes requires acidic medium to function? ...
The photosynthetic pigments include ...
Ovoviparity is the type of fertilization exhibited by the organism labelled ...
Which of the following activities constitutes biological control? ...
Herbicides are agricultural chemicals that ...
Which of these is a simple dehiscent fruit? ...
Another name for a fertilized egg is a ...
The yellowish liquid component of blood that normally holds the blood cells in suspension is ...