Was making salt water a physical or chemical change? how do you know?

In general, how long does it take to accomplish a long-term goal? a. a few days to a weekb. a few weeks to a monthc. a few months to a yeard. more than a year

What are the responsibilities of the region of the brain highlighted below? =+= will rate brainiest =+=

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this