Unexpected means it was something you did not "expect" to happen such as a car crashing into you which means this is wrong.
Unfair is any injury.
Unnecessary means it was never needed and could have been prevented/not done therefore unnecessary is the best term.
Answer:
Well it mainly depends on how old he is but he should proably loose some weight. And the average male is 175 pounds. So he more than double the average.
At least 2 sessions a week and after 3 months, bump it up to 3-4 sessions
Answer:
The cells of multicellular organisms perform specialized tasks and communicate with one another in order to maintain homeostasis. Areas that hold that hold adjacent cells together and enable them to communicate.
Single-celled organisms maintain homeostasis using their cell membrane and other organelles.
Answer: biological age
Explanation: because the other person is wrong and I took the test