The segment of the periodic table below shows the elements in Groups 1 through 9. What do the elements Mg, Ca, and Sr have in common?

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During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

The energy required to vaporize a certain amount of a substance is greater than the amount of energy necessary to raise the temperature of the same amout of that substance by 1 degreee celcius

If your blood becomes too concentrated with iona, what will happen to the red blood cells