Sublimation and boiling both happen at the surface of the substance true or false
2 answers:
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Answer:
Approximately 10,5
Explanation:
The question is not really very specific, because it would need the percentages of those isotopes in the nature. As they are not shown, it should be the median of those two numbers.
atomic weight ≈ = 10,5
If you check a periodic table, you'll see it's actually 10,8, but that's because of the thing I told you at first (percentages missing).
Hope I could help.
You have to start listing from the bottom :
3. Secondary Consumers
2. Primary Consumers
1. Producer
3. Secondary Consumers
2. Primary Consumers
1. Producer