Which of the following diseases are caused by mosquitos? a. malaria
c. yellow fever
b. cholera
d. a and c

The answer is D. A and C

Explanation:

Diseases transmitted by mosquitoes include malaria, dengue, West Nile virus, chikungunya, yellow fever,[1] filariasis, tularemia, dirofilariasis, Japanese encephalitis, Saint Louis encephalitis, Western equine encephalitis, Eastern equine encephalitis,[2] Venezuelan equine encephalitis, Ross River fever, Barmah Forest fever, La Crosse encephalitis, and Zika fever,[2] as well as newly detected Keystone virus and Rift Valley fever. There is no evidence as , and it is extremely unlikely this could occur.[3][4] Also HIV/AIDS is not transmittable through mosquito contact, despite being caused by a virus that can be transmitted through blood.[5]

a low four-wheeled open carriage of a kind formerly used in russia.

i think it was california.