Answer:
A.
Step-by-step explanation:
four terms are needed. 1-4
so that eliminates bottom 2 choices
65.
You simply have to put cos-1(sin(25))
40%, If you think about it, the cat is -20 while the dog is 20.
Answer:
NaOH(s) --> Na+(aq) + OH–(aq)
Step-by-step explanation:
A basis of Arrhenius is a substance that, when dissolved in an aqueous solution, increases the concentration of hydroxide, or OH-, ions in the solution.
So the answer is :
NaOH(s) --> Na+(aq) + OH–(aq)