Substitution i believe. There’s nothing deleted
Microorganisms such as bacteria can be removed by disinfection. Certauns substances called biocides are addes to water to make it pure. Purification can also be done by UV-light .
The comparison and contrast between the raft and the shore has something to do with freedom. On the river, Huck and Jim are free from the legal, societal and cultural structures which is the opposite if they were on the shore. However, their freedom on the raft was only for a short period of time. When<span> they went back on the shore, they were once again forced to comply with the </span>laws. The<span> similarities between the raft and the shore </span>are<span> natural. They are both are connected with geographical features.</span><span> </span>
. In mitosis the nuclear membrane breaks down and the centrosome
