When did child labor begin in Ghana?

How does diversity help a community? What are the tripartite relationship in labour relation? How can loud noise cause damage to the ear? Importance of social environment in the development of a children? Which chemical is mainly responsible for depletion of ozone layer in the atmosphere? Is dry land planting can benefit the environment by reducing the need for tillage? What of the following was a labor union open to workers from any trade? How did society view of the role of women in th 1950's? Do you know any environmental organisations working 4 environment? 1 way petrol companies can halep reduce acid rain pollution from cars? What was Ella baker hobbies? Was Leonardo dicaprio in avatar? How loud in decibel is a loud cough? How does equality in the society contribute to progress? What are the two major challenges facing the environmental movement? What are the benefits and drawbacks of using explosives? Was Gloria Steinem a smoker? When did alien registration start? Why do you need Tubbataha reef and what is its resources? How did land affect culture of early civilizations?