1) List and 2) define the two types of sources of water pollution. 3) Give one example of each type.

Variances should be investigated ________.

The accounting rate of return was the only capital budgeting method that focused on operating income rather than cash flows.

Why are control groups important? 

Which of the following is/are impervious cover? 

Many people say that certain colors affect your mood. Some people even carefully plan the colors they paint on the walls in their home in an attempt to create an environment that puts them in a certain mood, such as calm (purple) or energized (orange). To test this idea, Sasha visited 15 doctor’s offices. She painted the waiting rooms in 5 of them blue, she painted 5 of them red, and she painted another 5 green. Afterwards, she had the doctor’s offices give surveys to every patient after they had been in the waiting room for 10 minutes. The surveys asked the patients to circle words that represent how they are feeling. The options included: calm, distressed, energized, joyful, frustrated, content, and bored. You read that Sasha used 15 total doctor’s offices and painted them in 3 different colors. In this experiment, the ___________________ for each color was 5.

The two typical limiting nutrients for algae are _____________. 

Which statement is true about observational experiments? 

Year 1 Year 2 Year 3 Year 4 Option 1 $200 $400 $600 $800 Option 2 $800 $600 $400 $200 Option 3 $500 $500 $500 $500   The best cash flow option is?

If manufacturing machines are breaking down less than expected, this will contribute to a(n) ________.