In previous centuries, many people died from diseases due to lack of clean water. Access to a clean water source _______ millions of deaths in the past.

What is the proper order for the “hamburger” method of incorporating source information?

What is the function of the modal in the following sentence? Patricia is a strong, smart, and compassionate woman. She will make a great nurse!

What is the function of the modal in the following sentence? The hurricane was not supposed to hit Houston, but it ended up doing a lot of damage there.

Students at SPC _______ a parking pass.

The transition from fish to tetrapods is best described as: Like most of the great transitions in evolutionary history, it happened in very few big steps so that there are very few intermediate forms. Like most of the great transitions in evolutionary history, it happened in many small steps leading to many intermediate forms. Like no other transition in evolutionary history, it happened in many steps, so there are many intermediate forms. Like most of the great transitions in evolutionary history, it happened in a single step with no intermediate forms.  

Physical therapy ______ more effective than surgery in some cases.

My dog enjoys _____ squirrels.

Carl was late to work. He _______ his house earlier today because the traffic was bad.

On the back of your skull you can feel a small bump, below which is an opening where the spinal cord enters the skull. The location of this opening toward the bottom of the skull is significant in evolutionary biology for what reason? A) It allowed for the hominin brain to grow much larger than other primates. B) It provided greater protection for the spinal cord. C) It occurred as a result of the change to a bipedal stance. D) This change was necessary for the increase in size from prosimian forms to anthropoid forms.