eye Colour and body weight
height and blood group
skin colour and fingerprints
bodyweight and tongue rolling
Correct answer is A
No explanation has been provided for this answer.
The primary cause of species endangerment is
disappearing habitats
increase in temperatures
acid rain
exposure to hazardous wastes
Correct answer is A
No explanation has been provided for this answer.
Buildup of waste products
Predation
Parasitism
Unfavourable climate
Correct answer is C
No explanation has been provided for this answer.
The detection of vibro cholera in public drinking water is a sign of
clean water
outbreak of disease
water pollution
decayed organisms in the water
Correct answer is C
No explanation has been provided for this answer.
The use of water closet and septic tanks is preferred to the use of bucket and pit latrines because
it is cost effective
contaminated faeces are completely kept away from flies
the water for flushing contains chlorine which kills the germs
It prevents flies from breeding
Correct answer is B
No explanation has been provided for this answer.