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Answer:
When e-waste is exposed to the heat, toxic chemicals are released into the air damaging the atmosphere.
Explanation:
Answer:
a.material control failure
Explanation:
A material control failure is a material deficiency, or combination of significant deficiencies, that results in more than a remote likelihood that a material mis-statement in the annual or interim financial statements will not be prevented or detected.
Answer:
A key field is used to uniquely identify each record for retrieval or manipulation.
Explanation:
In a database there are many, having similar entities. So in order to differentiate each entity from other we need to set a key field among all the field which is always unique for each entity.
For example:
In a database of a company having data about its employees, the key field might be their ID. As some employees can have same names, addresses, phone numbers but cannot have the same ID.
They use and perform a set of actions and programs that build on each other.