Aflask filled with water and organic molecules was left open to the air for an hour and then was tightly stoppered. after being allowed to sit for a week, the flask was reopened and checked for living organisms. only anaerobic bacteria were found living in it. which of the following can be assumed about the conditions within the flask during the week it sat tightly stoppered?

According to piaget, children have acquired the cognitive skill of conservation when they're able to a. understand that six ounces of liquid in a jar and six ounces in an elongated tube are equal. b. understand the viewpoint of other people. c. relate objects around them to their own needs. d. realize that the term heavy describes an object one way and the term big describes it another way. it is not b nor c. did this 2 x wrong..

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the:

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?