According to the naeyc, curriculum is defined as.

a. teacher-made activities only for infants and toddlers.
b. a set of activities used primarily in school-age settings.
c. a complex idea containing multiple components.
d. simply a collection of enjoyable activities.

The answer is letter C, A complex idea containing multiple components.

Explanation:

"NAEYC" refers to National Association for the Education of Young Children. Its mission is to provide high quality education to children from birth through 8 years of age. According to NAEYC's "Early Childhood Curriculum, Assessment and Program Evaluation," the curriculum is more than just a collection of enjoyable activities; rather, it is a complex idea containing multiple components.

These components are: goals, content, pedagogy and instructional practices. A curriculum is deemed effective if the children are active and engaged, it is evidence-based, the goals are shared by all, has a professional standard, is comprehensive and likely to benefit the children.

Thus, this explains the answer.

since you have not provided the options here i   am going to give you general overview about hormone.hormone are actually the part of endocrine system in our body and produced by the endocrine glands. the hormones act like a chemical messenger   within human body. once produce by the glands they   travel through the blood stream and reach at specific or target tissue and organs   which result in control of our body function. the hormones are specific in their work and work on only the targeted tissue or organ   . with the of hormone endocrine system regulate the heart rate , metabolism, our mood and   growth as well as the development and even the sleeping cycle etc. they actually are the messenger for body cell and organs .