The sky is blue because air molecules in the air scatter blue light from the sun more than they scatter red light.
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: your answer is C- the subject line.
Explanation:
in a professional email, you should not use emoticons there as it looks unprofessional. so A is incorrect. the domain is who you are, and who the letter is from. B just doesn't make sense. C the subject line is correct. The subject line is the part that you should try to be brief but highly descriptive. Software that people commonly use in the workplace to make their lives easier. D the bcc is when you are wanting to copy someone else's writing in a word document or on paper. this option does not make sense either.