How Do We Focus on Objects at Different Distances?​

question 157

Multiple Choice

How do we focus on objects at different distances?​

• A)We shift between relying on cones and relying on rods.
• B)​The pupil dilates or contracts.
• C)​The lens changes its thickness.
• D)​The iris becomes darker or lighter.

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Definitions:

Comprehensive Income

A measure of all changes in equity of an enterprise during a period, except those resulting from investments by and distributions to owners.

Depreciation

An accounting method of allocating the cost of a tangible asset over its useful life, representing how much of an asset's value has been used up over time.

CCA Rate

The rate at which a business can claim Capital Cost Allowance, which is depreciation for tax purposes.

Marginal Tax Rates

This is the percentage of tax applied to your next dollar of income, varying with taxpayers' income levels within defined tax brackets.