I think that the answer would be a or d.
i dont know.
Hope this helps
Answer:
carbon, oxygen, and hydrogen atoms.
Explanation:
Gravitational waves are ripples in spacetime. They are created whenever objects with mass move. Hope this helps :)
Blood vessels that absorb strong pressure pulses contain more of elastic<span> tissues. These tissues are bundles of protein that can be found in extracellular matrix of connective tissue. These are produced by fibroblasts and smooth muscle cells found in arteries.
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Embryologist study embryos because Embryology is central to evolutionary developmental biology ("evo-devo"), which studies the genetic control of the development process (e.g. morphogens), its link to cell signalling, its roles in certain diseases and mutations, and its links to stem cell research.
