Babesiosis is a disease often carried by ticks in the tropics. which sentence best explains how climate change could increase the number of babesiosis cases? a. infectious diseases may become more widespread as ticks increase their range. b. rising seas and flooding may result in the displacement of millions of people. c. ticks may weaken the animals they feed on, causing more deaths in the population. d. people who work in agriculture may have to relocate to find new employment.