Weegy: To avoid confusion, use a comma after an introductory subordinate clause or phrase:
Because the costs of conducting research continue to increase, we need to raise our rates.
As the shrimp boats trawl, sea grass can collect on the trap door, [ [ allowing shrimp to escape.
According to the professor, rich women are more likely to have caesarean sections than poor women.
In keeping with the modern trend toward using as ... (More)