Getting enough vitamin d may be a problem for older adults due to

25. what does meiosis create? haploids or diploid? somatic cells or gametes?

The circles, or orbits, for electrons are called energy levels. each level can hold only a certain number of electrons. add electrons to each level until you can't add any more. how many electrons can each level hold?

Where can you find prokaryotic and eukaryotic cells?