The Depth of the Photic Zone at the Coastal Shelf

question 41

Multiple Choice

The depth of the photic zone at the coastal shelf of marine habitats is

• A) 100-200 m.
• B) 10-20 m.
• C) about 1 m.
• D) about 0.1 m.
• E) about 2 m.

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Definitions:

Direct Materials Purchases Variance

The difference between the actual cost of materials purchased and the expected cost at standard prices.

Direct Labor-Hours

An alternative term for direct labor-hour, referring to the labor time spent by employees directly on manufacturing a product.

Materials Price Variance

The difference between the actual cost of materials purchased and the expected (standard) cost times the actual quantity of materials used.

Direct Materials Purchases Variance

The difference between the budgeted cost of materials that should have been purchased for the production volume and the actual cost of materials purchased.