The correct answer is option B
Carbon dioxide is present in the environment along with the other gases and still it is considered as a pollutant when its concentration in the atmosphere increases than the normal concentrations.
The normal concentration of the carbon dioxide is maintained by the help of plants that use carbon dioxide for the process of photosynthesis.
The increased amount of carbon dioxide in the atmosphere is caused due to the human activity.
Industrial release, pollution from automobiles are some of the sources of carbon dioxide emission.
An antigen causes the body to make antibodies.
An emergency appointment is to deal with a life-threatening medical issue. For example, someone having an allergic reaction. An urgent appointment is for a medical issue that is time sensitive, but can wait a little while. For example, a sprained ankle.
The answer: TTG GA
<span> In the DNA double helix there are four base pairs: A, T, G and C.
A (adenine) matches with T (thymine) and </span>C (cytosine) <span>matches with G (guanine).
</span>So, we just need to make them correspond with each letter that was in the exercise.
It's with this base pairs that genes are formed and then translated to proteins.
<span />
