What changes could we see in the brain if humans keep evolving? New parts? New functions?

When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false

An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f