Answer:
E. abandoned, vacant factories, warehouses, and residential sites that may be contaminated from past uses.
Explanation:
A brownfield refers to a land that was used in the past for industrial or commercial activities which is not currently being used and that can be contaminated. According to this, the answer is that a brownfield is an urban area of abandoned, vacant factories, warehouses, and residential sites that may be contaminated from past uses.
Answer: c. Tempest
Explanation:
Tempest (Telecommunications Electronics Materials Protected from Emanating Spurious Transmissions) is a branch of the US National Security Agency. The function of this organization is to protect against spying on information systems. The methods they use are for transmitting emanations, including unintentional radio or electrical signals, sounds, and vibrations.
