The answer is carbon dioxide.
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Answer:
Burning of woods has a negative impact on the climate.
Explanation:
Burning of woods for heating has a negative impact on our climate because it releases carbondioxide gas which is a greenhouse gas that trapped the reflected solar radiation and leads to global warming. We have to used alternative methods for heating such as electric heater instead of burning of wood which produce no pollution and can fulfill the requirement of heating so from the above discussion we can say that the activity has a negative impact on the environment.
Well a person with HIV would only have AIDS if he/she has really low number of CD4 cells if this is the case that is when doctors would diagnose that person with AIDS. Hope I helped