According to article ii, section ii, what is the senate responsibility in approving presidential appointments?

The Senate has always jealously guarded its power to review and approve or reject presidential appointees to executive and judicial branch posts. The Constitution gives the Senate the power to approve, by a two-thirds vote, treaties made by the executive branch.

Explanation:

  b.

there are isolated pockets of farming, generally around rivers and oases, which are used for irrigation.