The correct answer is letter B
Explanation: This technique is very common and consists of selecting a population sample that is accessible. That is, the individuals employed in this research are selected because they are readily available, not because they were selected using a statistical criterion.
A thick tree ring indicates that the year was good for its growth with good feeding, enough water and sun. The thickness of the tree can suggest when the growing time was longer at the time of warmer times and when shorter with cooler times. With this explained, we can choose Warm year as the correct answer.
Answer:
this is not the real answer just a conjecture human being did not develp altrusim
Explanation:
Answer:
Causes of unemployment
Occupational immobilities. ...
Geographical immobilities. ...
Technological change. ...
Structural change in the economy. ...
See: structural unemployment.
Explanation: