Answer:
Green house gases affect glaciers because...
Explanation:
the heating of the earth because of the growing ozone layer (that is now layering greenhouse gases) is making the surface of the earth hotter which causes the sea to heat up and melt the glaciers which intern melts into the ocean and increases the sea level which cause flooding.
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Answer:
The correct answer will be- genetic engineering
Explanation:
Genetic engineering is a group of techniques employed to manipulate the DNA of the organisms which can help regulate the phenotype of the organism.
The genetic engineering aims at selecting the desired trait to be passed on to the progenies eliminating the harmful traits so as to benefit the organisms. The scientist selects the genes of the trait and then clone it to introduce it to the species.
Since the scientist can select the desired trait through techniques and manipulates the DNA therefore genetic engineering is the correct answer.
A lake that freeze over is helpful to the organisms inside the water because, the solid ice serves as a barrier between the water and the cold air above the water. The ice prevents the chilled air surrounding the water body from getting to the organisms inside the water. <span />
Down syndrome is from chromosome 21 they actually have 3 so a extra