What causes hydrogen bonding between water molecules? covalent bonds between water molecules, difference in electronegativity between the oxygen atom and hydrogen atoms, oxygen atoms contain more electrons than hydrogen atoms, ionic bonding

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 type of pollution does household garbage cause

Consider the venn diagram of plant reproduction. where in this image, areas a - d, would you insert the picture of the orange lily?