<h2>Answer:</h2>
<h3>40 electrons</h3><h3>Zirconium has 40 electrons and 40 protons,so this picture has 40 electrons separated into the different levels.</h3>
Answer:
Explanation:
The density of a liquid determine if it will float or will in another liquid. It will float if it is more dense than the liquid it is placed in
The answer to your question is chromosome chromosome is another term for dna and rna :)
<h2>Answer:</h2>
Option C is correct.
C. 5 kilocalories
<h2>Explanation:</h2>
Only a little amount of energy as 10% is transferred to the next trophic level. This is called 10% rule. So, in this case as the energy available at the secondary trophic level is 50 kilocalories and 10% of it is transferred into the tertiary level so it would be 5 kilocalories.