Answer: 1-DNA, 2-Protein.
Explanation:1- Dna is located in the nucleus of the cell coiled around chromosomes. DNA also carries instructions for protein synthesis, which is used to make cells.
Answer:
Air pollution is known to cause irritation in the eyes, lungs, nose, and throat. It creates respiratory problems and exacerbates existing conditions such as asthma and emphysema. When continually exposed to air pollution, humans become at higher risk for cardiovascular disease.
<h3>
Please mark me as Brainliest</h3>
Answer:
Nitrogen fixation is a process by which nitrogen (N2) in the atmosphere is converted into ammonia (NH3). Atmospheric nitrogen or elemental nitrogen (N2) is relatively inert: it does not easily react with other chemicals to form new compounds. Dinitrogen is quite inert because of the strength of its N≡N triple bond.
