Researchers investigated how three rehydration drinks—lemonade, sports drink, and coconut water—affect core body temperature following light exercise. Ninety participants were first grouped by prior activity level (low, moderate, or high) and then randomly assigned within each group to one of the three beverages. Core body temperature was recorded after participants consumed their assigned beverage following the light exercise. Random assignment could occur by __________________________.

Which option is a correctly written closing tag?

What is the main purpose of HTML in a web page?

Which tag is an example of an empty HTML element?

Which three of the following are media types?

Which line is a complete CSS rule?

Which statement about classes, IDs, and the cascade is correct?

What is Mobile First design?

Is it better to use a or a tag when marking up a paragraph?

What are three things that a mobile-friendly site should consider?