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.
What type of fruit is formed from a single flower having several carpels? ...
The structure labelled X is used by the organism in the same way as man uses his? ...
In the diagram, the likely pollinating agent of the flower is? ...
Which of the followig traits in humans is an example of physiological variation? ...
Impulses are conducted towards the nerve cell through the ...
Which of the following hormones is wrongly paired with its secretory organ? ...
The possession of chloroplast in Euglena virids enables it to ...
The following are the functions of supporting tissues in plant except ...
The following are classes of dry in-dehiscent fruits EXCEPT ...