Help me please NO LINKS ill give brainliest 18 points used!!

Which one of the following is a trick used in spanish to identify the right hand? touch the tips of your index fingers with the tips of your thumbs. the hand that forms a lowercase b is your mano derecha. touch the tips of your index fingers with the tips of your thumbs. the hand that forms a lowercase d is your mano izquierda. touch the tips of your index fingers with the tips of your thumbs. the hand that forms a lowercase d is your mano derecha.

What is the difference between "conocer" and "saber"? use each verbs in a sentence in spanish.

Which word best completes the sentence? isabela: no puedes permitir entrar ni vendedores perros callejeros. a. nunca b. ni c. siempre d. alguien