Calculate the atomic mass of element "x", if it has 2 naturally occurring isotopes with the following masses and natural abundances. X-107 106. 90509 amu 51. 84% x-109 108. 90476 amu 48. 16%.

Why should children should be allowed to vote at elections? explain

This graph represents four ecosystems. each ecosystem has a different number of species, adding to its biodiversity. different colors represent different species. which statements correctly summarize the data depicted by the graph? 1. ecosystem d has more biodiversity than ecosystem c. 2. ecosystem b has more biodiversity than all the other ecosystems. 3. ecosystem a has more biodiversity than ecosystem b but less biodiversity than ecosystem c. 4. ecosystem b has more biodiversity than ecosystems c and d but less biodiversity than ecosystem a. 5. ecosystem a has more biodiversity than ecosystem c but less biodiversity than ecosystem b.

Asking questions when something is unclear is part of?