Answer:
b.believes that travel is most enjoyable when it involves little advance planning
Explanation:
Sana nakatulong
Acid deposition, commonly known as acid rain, occurs when emissions from the combustion of fossil fuels and other industrial processes undergo complex chemical reactions in the atmosphere and fall to the earth as wet depositio Soviet blocked
This would be the atomic mass. Hope this helps!! :)
Answer:
P versus NP.
Hodge conjecture.
Riemann hypothesis.
Yang–Mills existence and mass gap.
Navier–Stokes existence and smoothness.
Birch and Swinnerton-Dyer conjecture.
Explanation: