Answer 1 : ( C ) the burning of fossil fuels has created acid rain.
Answer 2 : ( C ) Greenhouse effect.
Answer: Artificial selection
Explanation:In artificial selection, humans select which organism get to reproduce. This is in order to preserve certain genetic traits.
The correct answer is W-2
Explanation: W-2 is officially titled "Wage and Taxes Statement".
Form W-2 is used to report how much an employer paid your employee in the last calendar year and how much tax was withheld from this payment. The employer has to submit Form W-2 to the IRS, so that the IRS will verify that the employer collects all taxes due.