Which period makes up the stage of development called childhood?

Asnail, elodea (aquatic plant), or both were added to the tubes and they were stoppered. tubes were placed under a grow light for 24 hours and the results recorded. the test tubes were then covered for 24 hours to produce a dark environment and the results recorded. which statement best explains the change in test tube d from the light setup to the dark setup.

What protects the lining of the stomach from acidic gastric juices?

Contrast how pollination is different among gymnosperms and angiosperms.