Which of the following water pollutants may contain organ...
Which of the following water pollutants may contain organisms that cause dysentery?
Pesticides
Sewage
Industrial wastes
Fertilizers
Crude oil
Correct answer is B
No explanation has been provided for this answer.
A distinguishing feature of mammals is the possession of ...
Which of these is not a characteristics of a wind pollinated flowers? ...
An insect whose economic importance is both harmful and beneficial is the ...
Excretory products in plants responsible for the discoloration of flowers are called__________ ...
Which of the following is not a function of the blood? ...
Which of the following is a tissue? ...
Which of the following determines a normal male offspring? ...