I think the correct answer would be sexuality
the heading underlined in blue gives answers to the last part
the part above the underlined heading and the first part on the first page help with the first qn (structure of dna)
am not sure about the second qn:(
but hope that helps
The distribution and abundance of organisms is determined by the interactions between organisms and between the non living environment. Energy and nutrients move within and between biotic and abiotic components of ecosystems via physical, chemical and biological processes. Human activity and natural events can have a profound effects on population, bio diversity and ecosystem processes
The type of response is inflammatory immune response. The scab became warm and red due to the widen of blood vessels and the heating up of the blood flow
If you asking for the diagnosis, the answer would be spontaneus pneumothorax.
Pneumothorax is a condition when the membrane (pleura) of the lungs is broken, make the thoracic space exposed to the atmosphere. Thoracic space becomes filled with air, makes the patient felt pain and hard to breathe.
The air will cause the breath sound reduced, hyperresonant percussion and absent of fremitus. Tall men will be at higher risk since taller height also means taller lungs.