Bleh. i need with some social studies plz; 2. what was the reason for crop rotation? 4. what did the three-field system allow farmers to do?

The internet is controlled by: (select one): a. statutes and court cases in federal and state courts in the united states. b. the advanced research projects agency (arpa) and the u.s. department of defense. c. no single government or organization. d. google, yahoo, and the other search engines which have proprietary interest in the content thereon.

The principle that the geoglical processes that we see today have occurred through out earths history is called

He constitution dictates that the presiding officer of the senate is the a) majority whip. b) vice-president. c) majority leader. d) speaker of the house.