goodluck99
05.11.2020 •
Chemistry
Boron has two naturally occurring isotopes. Find the percent abundances of 10B and 11B given the isotopic mass of 10B = 10.0129 amu and the isotopic mass of 11B = 11.0093 amu.
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Ответ:
1 a 2b 3increase
Explanation:
Genetically fishes have gills to inhale they take water through gills and u know water has some amount of oxygen
2 predators increase because many fishes eat each other bcz of competition
3 so relating point 2 competition also increase