The swan-necked flasks of Pasteur's experiments _____. (Points : 2) a. allowed for airflow without allowing the introduction of environmental...

1.The swan-necked flasks of Pasteur’s experiments _____. (Points : 2)

a. allowed for airflow without allowing the introduction of environmental microbes

b. turned the flask cloudy

c. contributed to supporting the theory of spontaneous generation

d.allowed the flasks to temporarily turn cloudy and then become clear after a period of time

e. All of the above