If it is 3 am wednesday in vladivostok, russia, what day and time is it in moscow?

The answer is b im not sure 

Answer (d) may increase or decrease porosity through dissolution or deposition;

What type of link is

Historians are researchers of the past or people who understand the history of people. with this field, they must possess qualities such as being unbiased, patient, efficient reader, has a knack for logic and critical thinking and reasoning, disciplined, open-minded, resourceful, with good analytical ability, good reasoning skills and problem solving!