Answer:
Muhammad Ali was one of the greatest boxers in history, the first fighter to win the world heavyweight championship on three separate occasions. In addition, he was known for his social message of black pride and black resistance to white domination and for refusing induction into the U.S. Army during the Vietnam War.
Explanation:
DESERTIFICATION IS THE SPREAD OF DESERT AREA, AND IF PEOPLE WANT TO LIMIT THE EFFECT OF IT, SOME WAYS ARE TO STOP CUTTING DOWN TREES. DEFORESTATION IS A PART OF THE REASON THAT DESERTIFICATION TAKES PLACE. ANOTHER WAY,IS FOR PEOPLE TO STOP OVERGRAZING AND SLASH AND BURN.
(HOPE THIS HELPS)
1) B - Study of markets, resources, and productivity
2) A - Businesses *receive* or *purchase* goods and services in product markets.
