Sound waves are waves of growing larger and smaller, making it seem elastic through substances, such as air.
C, they could work together to make things from the top down.
Single-celled organisms<span> which use asexual reproduction can </span>do<span> so very rapidly simply by </span>dividing<span> into two equal halves. This is called binary fission. In yeasts the </span>cell<span> does not </span>divide<span> equally in two halves; instead, there is a large mother </span>cell<span> and a smaller daughter </span>cell<span>. This is called budding.</span>
They achieve stable structures by sharing their single, unpaired electron.