¿Cuál es la característica de los métodos de planificación familiar naturales? A
Tienen mayor eficacia.

B
Son principalmente de barrera.

C
Consisten en el uso de dispositivos.

D
Están basados en el conocimiento del ciclo menstrual.

Is there any danger to eating mold?

Which hotel do you think is most likely to move ahead in market competition? a. a hotel that provides basic amenitiesb.a hotel that provides luxurious amenitiesc.a hotel that shows understanding of customers' latent needsd.a hotel that gives discounts

What links the two strands in a dna helix together in the middle? a. phosphate groups b. sugar rings bonded together c. proteins d. bases with hydrogen bonds