What joins the two hemispheres of the brain? 1. brainstem
2. cerebral cortex
3. cerebrum
4. corpus callosum

So i have a lot of answers answered but it says i still need to answer more questions. why is it doing that? how many questions need to be answered?

Effective communication consists of a. verbal and nonverbal communication and speaking clearly and loudly b. verbal communication and stereotyping c. verbal and nonverbal communication and active listening skills d. nonverbal communication and minimal interruptions   select the best answer from the choices provided.

What happens in the process of photosynthesis