The pollutants that contribute to the depletion of the oz...
The pollutants that contribute to the depletion of the ozone layer in the atmosphere are
radioactive materials
oxides of sulphur
oxides of carbon
chlorofluorocarbons
Correct answer is D
No explanation has been provided for this answer.
A biome characterized by hot summer, warm winter and treeless vegetation is ...
Food webs are complex because ...
In man, identical twins occur when ...
The function of the part labelled II is that it controls_______ ...
Which of the following statements is not true of the worker termite? They ...
The following are features of the Northern Guinea Savanna except ...
Which of the following possesses mammary glands? ...
The part of the mammalian kidney that stores urine is the ...
Mammals acclimatize to reduced oxygen content at high altitudes by ...
Which of the following lists of diseases, their causes and transmission is CORRECT? ...