Which describes a difference between the duties of house memebers and duties of senate members

The house members have a limited time during debates since there are so many of them, but the Senate has unlimited time during debates, which can lead to a filibuster which could be stopped by a cloture.

The House of Representatives has 2 main duties: make laws and inspecting the work of the Government.  The Senate's main task is considering bills approved by the House of Representatives.  

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.