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What best describes what increases the force of myocardial contraction?  

What best describes the mechanics of gas movement out of the lungs during expiration?

Preload will be negatively affected by all of the following factors except

Second-growth forests ________.

What is your favorite aspect of the course so far?

“Edge effects” are a problem particularly when ________.

What is your least favorite aspect of the course so far?

Nitrogen fixation is a process that makes nitrogen available to plants and is carried out by ________.

Which of the following is a consequence of clearing forests for agriculture purposes?

The ________ promotes free trade by reducing obstacles to international commerce and enforcing fairness among nations in trading practices.