Iron at 30oC feels colder to the hand than wood at 28oC because
their linear expansivities are not equal.
the temperature of the iron is higher than that of the wood
iron is a better radiator of heat than wood
iron conducts heat more quickly from the hand than wood
Correct answer is D
No explanation has been provided for this answer.
One of the methods of preventing measles is by
sleeping under mosquito net
attacking the vectors
attacking the secondary host
vaccinating young children
providing clean water supply
Correct answer is D
No explanation has been provided for this answer.
adaptive radiation
continuous variation
a common origin
convergent evolution
adaptation to the same environment
Correct answer is C
No explanation has been provided for this answer.
The evidence for evolution can be obtained from the following except
fossil
anatomy
history
embryology
taxonomy
Correct answer is C
No explanation has been provided for this answer.
1:2:1
2:2:1
3:2
3:1
4:1
Correct answer is D
No explanation has been provided for this answer.