Measuring the Amount of Deuterium in the Universe Allows Us

question 89

Multiple Choice

Measuring the amount of deuterium in the universe allows us to set a limit on

• A)the expansion rate of the universe.
• B)the density of ordinary (baryonic)matter in the universe.
• C)the temperature of the universe at the end of the era of nuclei.
• D)the current age of the universe.
• E)the total amount of mass in the universe.

---

Definitions:

Tax Liability

The sum of money owed to a tax agency based on earned income, investments, property, and other taxable entities.

Gross Income

The total income earned by an individual or a business before any deductions or taxes are applied.

Form 1040EZ

A simplified tax form for individual federal income tax returns filed with the IRS, designed for taxpayers with basic tax situations.

Tax Tables

Charts provided by the IRS that display tax rates and thresholds for different filing statuses and income levels to calculate tax liability.