all plants need inputs of water, carbon dioxide, and sunlight to carry out photosynthesis, just like this cactus plant. Given its external appearance (a stubby body with a thick, waxy coating) which of these three inputs is it specially adapted to conserve?

Regarding most of the narrator’s story, which word best describes the tone?

The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a.an ionic bond is formed between the oxygen and carbon atoms. b.four valence electrons are shared. c.two valence electrons are shared. d.valence electrons are shared between oxygen atoms.

The process of meiosis produces only gametes, eggs or sperm. according to the diagram, how many sperm are formed from each cell that undergoes meiosis?