TCA acid - is it used for treating AIN3? If so, 32 applications over 2 years a correct amount? Or, is there a limit? Working on a report and finding conflicting answers.
Thank you for you help.

An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it

Rays from the sun are not considered matter true or false

Which of the following warnings would an agricultural chemist tell a farmer who wants to recycle his or her own ammonia? recycling ammonia is a difficult process that sometimes takes weeks. recycling ammonia requires a degree in biochemistry or a related field. recycling ammonia can be harmful because it is highly flammable and toxic. recycling ammonia costs too much money considering the price of the necessary chemicals.