PLEASE HELP WILL MARK BRAINLIEST
Which best describes eras and periods?

A. Eras have a smaller time span than periods.
B. Eras and periods are independent of each other.
C. Eras and periods both appear at the start of the Cambrian period.
D. Eras were more recently established on the time scale than periods.

Asap what occurs after cytokinesis is completed at the end of meiosis 1?

The unique structure of the neuron is dedicated to the efficient and rapid transmission of neural signals. the relationship between neurons, the spinal cord, and the brain constitutes an elaborate communication system throughout the human body. all but one of the functions listed below are a result of this interaction.

Consider the activity and specificity of the three enzymes.pepsin is most active in the human and to digest