<span>I think its made of food oxidation.</span>
Conservation and by recyclig we can improve biodiversity
Explanation:
(a) Silicosis is a situation in which the person work in stone grinding industries, they tend to inhale the crystalline silica dust, which is also a part of sand and rock. It affects the human lungs and can cause lung fibrosis.
(b) Benzoates, Nitrates, sulphites are the food preservatives chemicals which are used mostly in food preparation so that it can be stored for long period. These chemicals are harmful for human and can cause disease in the human. They can cause severe asthma in humans. The international agency for the research of cancer has reviewed ingested nitrates and nitrites are probably carcinogenic to humans.
(c) Industrial pollution cause water and soil pollution. Industrial pollution is the release of wastes and pollutants generated by the industrial activities into the natural environmental including air, water and sand. It causes chronic health problems. Polluted air cause lung related issue and polluted water causes abdominal pain, diarrhea in humans
Answer;
DNA replication is semi-conservative.
The meselson-stahl experiment supported the hypothesis that DNA replication is semi-conservative.
Explanation;
The Meselson-Stahl experiment was an experiment by Meselson and Stahl that proved that the semi-conservative model by Watson and Crick was correct.
DNA replication is semi-conservative in the sense that the new helices formed after replication contain, one new DNA strand and one old strand from the parent DNA molecule.