Câu 9: Giá trị điện trở người trong tính toán an toàn điện được chọn: A. 1000Ω.

B. 1200Ω.

C. 1500Ω.

D. Không xác định.

Martha is a healer, a healthcare provider, and an experienced nurse. she wants to share her daily experiences, as well as her 12 years of work knowledge, with people who may be interested in health and healing. which mode of internet communication can martha use?

Which tab is used to change the theme of a photo album slide show? a. design b. view c. transitions d. home

What key should you press and hold to select and open multiple files at one time? enter alt control esc