Water (h2o) is an example of a molecule whose atoms are held together by which of the following? question 1 options: covalent bonds ionic bonds metallic bonds hydrogen bonds

Consider the diagram below, which represents components of the biosphere. what do the two arrows in the diagram most likely represent? a. radiation b. photosynthesis c. cellular respiration d. energy conversions will give to anyone who answers quickly

Cassandra made a venn diagram to compare and contrast the two stages of cellular respiration. which belongs in the area marked x? energy is released. oxygen is used up. glucose is broken down. carbon dioxide is used up.

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots