Name some eco-friendly features you might look for while shopping for your first vehicle. Also, explain techniques you can use while driving any vehicle to increase fuel efficiency and reduce emissions.

How many liters of 60% alcohol solution should be added to 40 liters of a 20% alcohol solution to make a 50% solution?

If you are in grade when should you start studying for exams

What are two basic questions you should ask yourself when contemplating career choices? a. what do i enjoy doing, and what do i hate doing? b. what are my least favorite subjects, and what do i do in my spare time? c. how do i discover what i like, and what do i talk about a lot? d. what do i enjoy doing, and what subjects do i like?