A certain atom has a green spectrum line of about 540 nm.

Students at community colleges generally enjoy which of the following benefits? a. availability of lots of on-campus housingb. high tuitionc. selectivity in the admissions processd. fleible class schedules

An item not normally included in ansi recommendations, but recommended by other groups is: a) a syringe b) a blood pressure monitor c) a defibrillator d) all of the above

Technological solutions have good bad effects. what is one bad effect of spraying a chemical pesticide on crops