The correct answer is A. Standing water can increase the mosquito population
Step-by-step explanation:
A conclusion refers to a thought or idea that is stated based on the details and information provided in the text, which often requires summarizing and analyzing the details to create an idea based on them. In the text presented, the author explains ticks and mosquitos population, which carry diseases, are able to survive during all the year as the result of rising temperatures, and therefore they represent a considerable risk. Also, the author states malaria is one of the diseases spread by mosquitos and state there are some ways to prevent this, including removing sources of standing water.
This means standing water is a cause of mosquito population increase and therefore it also increases malaria cases. Thus, it can be concluded based on the details provided in the text that standing water can increase the mosquito population as the author explains removing this type of water malaria cases are reduced and malaria is mainly caused by mosquitos.