In a water molecule, a) the oxygen atom is more electronegative than the hydrogen atoms.

b) unequal sharing of electrons results in a polar molecule

c) the oxygen atom has an overall negative charge with the hydrogen atoms having an overall positive charge

d) all the choices are correct

The health, management and conservation of biodiversity, is a challenge facing ecosystems worldwide. the major factors that affect the health and function of the great barrier reef are climate change and pollution. which question investigates the effects of a biotic factor on the reef ecosystem?

Ateam from new york presbyterian hospital is conducting a study about a recent increase in cases involving both excess sweating and kidney stones. what would the team need before it draws a conclusion about the cases? medications that are specifically designed to treat the sickness machines that are built to process blood and reduce symptoms until patients are healthy again data that profile the various patients who report these symptoms proof that the excess sweating is related to the excessive kidney stones

Which locations on the map are low-pressure areas? a b c d e