The Thermoelectric-Effect Explanation for Lightning

question 83

Multiple Choice

The thermoelectric-effect explanation for lightning

• A)depends on the transfer of negative charge to hailstones.
• B)cannot occur in a cloud that extends above the freezing level.
• C)is dependent upon a magnetic field to induce charge separation in ice pellets.
• D)depends upon ice crystals moving to the bottom of the cloud.

---

Definitions:

By-products

Secondary products that are produced incidentally in the process of manufacturing the main product, often with economic value and varying applications.

Net Realisable Value

The estimated selling price of goods, minus the costs of their sale or disposal.

Joint Costs

Costs incurred up to the split-off point in the process of producing joint products, which are not identifiable to individual products.

Contribution Margin

The amount remaining from sales revenue after variable expenses have been deducted, contributing towards covering fixed costs and profit.