The answer is 10 billion. <span />
Answer:
a routine is doing the same thing every day or evetime you do a specific activity so your answer would be C having a set location to study
The appropriate response is an explicit memory. It is one of the fundamental types of a human long-term memory. It is obtained and utilized unknowingly and would affect being able to contemplations and practices. One of its most normal structures is a procedural memory, which people groups playing out specific errands without cognizant consciousness of these past encounters.
A, seek advice from others about the situation.