Political action committees (pacs) are formed by

lobbyists.
interest groups.
political campaigns.
super pacs.

Political action committees or also known as PACs are formed by the interest groups, which is the second choice. The interest groups are a group of people who share the same interest or goals in means of influencing the government and to be able to promote their investment and even protect it.

Icould be wrong but i would say b.

Texas’ gulf coastal plains are the western extension of the coastal plain extending from the atlantic ocean to beyond the rio grande. its characteristic rolling to hilly surface covered with a heavy growth of pine and hardwoods extends into east texas. in the increasingly arid west, however, its forests become secondary in nature, consisting largely of post oaks and, farther west, prairies and brushlands.