Cuántos son 12 meses​

Translate the sentence below into english.    pienso que nunca lo sabré. a. she doesn't believe he will ever find out. b. i believe that i'd never find out. c. she thinks that i'll never find out. d. i think that i'll never find out.

Which ion was formed by providing the second onization energy to remove an electron?

Choose the best spanish word to correctly complete the sentence. siete veintiocho treinta doce cien cincuenta y dos treinta y un dias en el mes de febrero anos en un siglo (century) semanas en un ano dias en una semana meses en un ano dias en el mes de abril dias en el mes de diciembre