Answer: reactive
Explanation: Noble gases are the elements of group 18. This series contains helium, neon, radon krypton and radon. The noble gases are the least reactive of any elements on the periodic table
They change cause they want to change so leave them alone
I think the correct answer would be the third option. Cell membranes are present in both plant and animal cells. Both cells are eukaryotic cells so that they both contain membrane-bound organelles like the mitochondria, nucleus, lysosomes and the endoplasmic reticulum. Also, Both cells have the same processes for reproduction including mitosis and meiosis. For plant cells, additional structures can be found namely the chloroplasts, vacuoles and the cell wall. Another difference of the two would be the size. Animal cells are smaller than plant cells. Animal cells would have sizes ranging from 10 to 30 micrometers while the plant cells would be 10 to 100 micrometers.
Answer:
C. the AV node will usually become the pacemaker for the heart
<span>The insect might be an unknown variation or a new species.</span>
