Which of the following challenges is Singapore’s economy currently facing?
A.
Singapore’s economy still isn’t developed.
B.
Most of Singapore’s citizens still work in agriculture.
C.
Singapore has a shortage of workers.
D.
Most of Singapore’s workers are too young.

C- Singapore has a shortage of workers

Explanation:

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2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.

in which two ways were the northeast woodland indians and the southeast indians similar? both collaborated to form the iroquois confederacy. both cultivated the crops of corn, beans, and squash. both lived in rich environments of swamps and rivers. both lived in tree-bark dwellings called wigwams. both expected men to hunt, while women farmed.