I think it's B 34 so it's not c or a :3
Astrocytes play a critical role in normal function of the mammalian nervous system. Astrocytes regulate synaptic transmission and plasticity, protect neurons against toxic compounds, and support metabolically to ensure their optimal functioning.
Answer:
c) thermal pollution
Explanation:
aka heat pollution, occurs when heat released into water or air produces undesirable effects.
Answer:
they can advertise deals and new items or services that are being sold
Explanation: