81. A security analyst captures forensic evidence from a potentially compromised system for further investigation. The evidence is documented and securely stored to FIRST:

Preserved the data.

Explanation:

Basically,  when a security analyst captures forensic evidence from a potentially compromised system for further investigation. The evidence is documented and securely stored to first preserve the data.

A security analyst can be defined as a financial expert who is saddled with the responsibility of providing research and valuation reports, so as to secure an organization's proprietary and confidential data.

This data which are evidence are required to be preserved in a safe and secure platform (cloud or folder directory) for further investigation and verdict by the jury or top executive management.

  b.

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

50% i think

explanation: