Answer: Bob's private key
Explanation:
Since Bob is sending Alice the message, it simply implies he must have encrypted it with his key that Alice can be able to use to decrypt the message.
Answer:as a coloring (pigment) in makeup or paint
Explanation:
It produces Heat Energy that can be used to drive steam turbines to generate Electricity.
Answer:
The answer is D- Coal is set aside to burn as heating fuel
Explanation:
Allocation decisions set aside resources for a specific purpose.
