Each element absorbs light at specific wavelengths unique to that atom. When astronomers look at an object's spectrum, they can determine its composition based on these wavelengths. The most common method astronomers use to determine the composition of stars, planets, and other objects is spectroscopy.
Answer: A) By increasing the need for genetic engineering of fish
Fish is a globally accepted source of food, with the increase in population all over the world the demand for fish as a source of food is also increasing. Genetic engineering is a field of biotechnology in which the genome of the organism is manipulated by addition, deletion or substitution. This is done to improve the productivity of the animals and plant crops and to obtain desires characteristics in them.
A) By increasing the need for genetic engineering of fish is the correct option which can directly improve fish agriculture because a fish species can be genetically modified so that it can be able to produce more number of offsprings and nutritious quality of flesh, useful for human consumption.
The "R" group of an amino acid makes it unique from other amino acids
B. The layering of the rock.
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