Mineral Nutrition Experiment
Phosphorus Deficiency. Image credit iastate.edu ZIMSEC O Level Notes Combined Science: Mineral Nutrition Experiment
Aim: Investigating the effects of mineral elements on plant growth.
Materials
Young wheat or pea seedlings, test tubes, mineral solutions/culture solutions, cotton wool, foil or black paper, stands for test tubes.
Method

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A map showing early Portuguese settlements in Zimbabwe. Image by
The attacks from the Mfecane migrates contributed to the fall of the Rozvi state. Image credit
Anglicans still gather at Bernard Mizeki in Marondera. Image credit relzim.org ZIMSEC O Level History Notes: Missionaries: Missionary organisations and their mission stations
Pipeline under construction. Image credit
An early Portuguese map showing the Mutapa state. Image credit MediaWiki ZIMSEC O Level History Notes: Mutapa State:Did the people of the Mutapa state benefit from the expansion of the state? 

Harare has a sphere of influence that covers the whole country. Image credit