Answer: B.
Explanation:
Arrows point to penguin, fish, krill, and other birds.
REM's are associated with dreaming. we spend the longest time in the REM stage. REM sleep is marked by a return to fast, irregular EEG patterns similar to those of stage 1. the brain is so active during REM it looks like the person may be awake
Chemistry as a subject has a significant importance in our daily lives and the society in general. Everything on the earth is made of chemicals. ... It also describes various chemical elements preset in the environment, their reactions, and effects on the environment.
They are warned about contracting Toxoplasma.
D. Certain genes are turned on and others are turned off; this action produces adult cells that are specialized
