Which of the following statements is true? NH2 can be Bronsted-Lowry acid O CH3CH3 can be Bronsted-Lowry base CH3+ can be a Lewis acid NH2 can be Bronsted-Lowry acid, and CH3CH3 can be Bronsted-Lowry base CH3CH3 can be Bronsted-Lowry acid, and CH3+ can be a Lewis acid