macronutrients

"The teacher required the students to bring their textbooks to class every day. "

"These microbes are primarily responsible for breaking down cellulose and other carbohydrates into volatile fatty acids (VFAs)."

""I need to buy a few things at the grocery store, like milk and bread." "

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

"Maintaining a balance between work and family is challenging, but important for a healthy life. "

"The school's track and field team has many dedicated athletes. "

"My grandmother is living a long and healthy life. "

"Letters are the elements of written language."

"My mother added extra protein to her lunch to help her build muscle. "

"The amount of atmospheric pollution threatens a health crisis."

"The music teacher explained that a "large" is a very long note, longer than a breve. "

"the performance of an undertaking or a duty"