Placing characters in a dangerous situation
The second sentence is the correct way of connecting the statements.
B. Many cities in the United States allow all of their citizens to vote on laws.
For the answer to the question above, <span>Science is ever dynamic because it doesn't t contain any final theory. Every theory is changed after a time period.As society is developing, science is also developing either by advancing previous theory or by introducing new theory. ex: atomic theory, heliocentric theory, etc.</span>
Try reading it and putting more thought into what it is about...