To convert from mass of A to moles of B in a stoichiometry problem, the following steps are followed: Select one:
a. mass A → moles A → mass B → moles B
b. mass A → moles A → moles B
c. mass A → mass B → moles B
d. mass A → moles A → mass B → moles B
e. mass A → moles B

b. mass A → moles A → moles B

Explanation:

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Planting more trees - the roots of trees hold the soil together and help to reduce soil erosion from wind and rain.

Improving the quality of the soil - this can be managed by encouraging people to reduce the number of grazing animals they have and grow crops instead. The animal manure can be used to fertilise the crops grown. Growing crops in this way can improve the quality of the soil as it is held together by the roots of plants and protected from erosion. This type of farming is more sustainable.

Water management - water can be stored in earth dams in the wet season and used to irrigate crops during the dry season. This is an example of using appropriate technology to manage water supplies in the desert environment.

Explanation: