Answer: 3
Explanation:
All elements in group 3 have 3 levels of energy.
Na (sodium) has 3 valences the inner has 2 electrons, the middle has 8 electrons and the outer has 1 electron.
This will continue across the group 3 adding one more electron to the outer valence until Ar (argon).
Remember the Octet rule of 8..?
The statement above is a true statement. The condition in which an organism has extra sets of chromosomes is called polyploidy. This polyploidy cell is an organism that has two sets of chromosomes. Most species have two sets of chromosomes, each one of these are inherited from the parents.
<span>Answer is letter D which is “all eukaryotic cells”. The cellular respiration occur in all eukaryotic cells has a metabolic reaction and processes that happens in the cells of an organism to change it into a biochemical enegergy unlike photosynthesis it only occurs in cells having chloroplast</span>
Two systems<span> control all physiologic processes: The </span>endocrine system broadcasts<span> it's hormonal ... </span>The nervous system exerts point-to-point over body<span> control </span>through nerves<span>. ... </span>Both nervous system<span> and </span>endocrine system<span> work together to maintain ... which </span>regulate<span> the production of other hormones throughout the </span>body<span>.</span>
I think it’s F, c, and a.