How are root. hair cells adapted for their functions

how do you calculate percentage change in mass

Root hair cells are adapted by having a large surface area so they can absorb more water and minerals and have lots of mitochondria which release glucose during respiration which provides energy for active transport
I might be wrong

In order to take a test,the college board requires a form of identification. these strict rules are in place to keep people from taking other people's test. 

Using these strategies on tests will improve your own test taking skill because it may inform you of strategies you were unaware of before reviewing them.