sulcus

"You can create the color orange by mixing yellow and red."

"The brain's surface is covered in convolutions, allowing for a large surface area packed into a small space inside the skull. "

"The new student was a natural from Japan. "

"My family has a different ideal for my future than I do. "

"To explain a chapter of the Bible."

"The water coming out of the waterwheel created a standing wave in the channel."

"The two roads ran subparallel to each other for several miles, eventually meeting near the shopping mall. "

"Studying for the test requires using your cerebrum to remember facts and understand concepts. "

"The rock layers in the Grand Canyon provide a detailed geological record of the Earth's past. "

"Separate the articles from the headings."

"the equatorial regions"

"The teacher pointed to the map to show the students where the capital city was located. "