A.
Global warming caused by the enhanced greenhouse effect is likely to have major consequences
for arctic ecosystems. Which of the following are likely to occur in the arctic
if the Earth's surface
temperature rises?
I.
II.
III.
Decreased rates of decomposition of detritus
Increased range of predators from temperate regions
Increase in numbers of pest species and pathogens
I and II only
B. I and III only
. II and III only
I, II and III
bor led to the spread of resista