This is only one part of the answer, but its important: high-altitude O2 absorbs much energy from the sun (including radioactivity), which forms the ozone layer. this process protects delicate molecules important to life - most notably dna
Answer:
Complete digestion of food takes place in the intestine. Various enzymes present in the intestine act on food and digested food gets absorbed. Typhlosole increases the absorption surface of the intestine.13
Explanation:
they used the amino acid to find the DNA base sequence
Answer:
In this, the controlled variables are stirring and type of sugar. As more stirring might elevate the amount of sugar that dissolves, and different kind of sugars might dissolve in distinct concentrations. So, in order to make sure a fair test, there is a need to keep these variables similar for each cup of water.
Explanation:
