Hinduism teaches all of the following concepts except a. belief in brahman b. rebirth after death c. belief in only one god d. the goal of receiving enlightenment

C. belief in only one god

Explanation:

Hinduism is the amalgamation of various cultures and beliefs practiced in the Indian subcontinent. There are various denominations in Hinduism like vaishnavism, shaivism, shaktism, etc. It has a wide range of textual sources, sacred sites, and pilgrimage.  Because of the plurality of Hinduism, it can not be simply defined as a religion but a way of life.

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.