Answer:
A conversion error between two measurement systems
Explanation:
Answer:
D. Refusing to take an antibiotic for a viral infection
Explanation:
There are different star systems. Binary star systems consist of two stars. Multiple star systems consist of two or more stars. The meaning of star system is "A small number of stars."
I think it's either A) a group of hundreds of stars, or B) a group of two or more stars. I would assume it's B), but i could be wrong.
Hope this helps!
Answer:
Beginning the age of European exploration
Explanation: