Biology sem 1
2.1.2 quiz: common elements in living things
question 7 of 10
2 points
what are the basic units of a chemical element called?
a. solids
b. atoms
c. molecules
d. gases

Carbon,Hydrogen,Oxygen,Nitrogen are the most common elements in living things..96% of all living consist of It.other 3% is Calcium, Phosphorus, Potassium, Sulphur.

basic unit of chemical element is Atoms.Everything that made out of atoms called matter.When atoms combined molecules are formed.Gasses and Solids are just different state of matter.

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the alkaline earth metals (beryllium (be), magnesium (mg), calcium (ca), strontium (sr), barium (ba), and radium (ra)) are a group of chemical elements in the s-block of the periodic table with very similar properties: shiny. silvery-white. hopefully this ? i didn't fully understand the question

answer; the male's sperm cells have mitochondria, but because the sperm contributes dna but no cytoplasm, no mitochondria are passed to the egg at ferilization;