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.
The tip of the tongue is sensitive to ...
In which of the following groups of fruits is the pericarp inseparable from the seed coat? ...
The hormones produced in the hypothalamus are ...
Which of the following substance is not found in urine? ...
The set of fins that control steering, balancing and change of direction and pitch in fish is ...
Which of the following insects lays its eggs in horny, purse-like cases? ...