Which of the following is caused by Treponema pallidum?
Gonorrhea
Leprosy
Tuberculosis
Syphilis
Correct answer is D
No explanation has been provided for this answer.
The solid part of the ecosystem is referred to as the
atmosphere
hydrosphere
biosphere
lithosphere
Correct answer is D
No explanation has been provided for this answer.
A tropical disease caused by Trypanosoma is
sleeping sickness
river blindness
yellow fever
malaria
Correct answer is A
No explanation has been provided for this answer.
A pollutant that is biodegradable is
crude oil
heavy metals
cellophane
sewage
Correct answer is D
No explanation has been provided for this answer.
The eye defect caused by the development of cloudy areas in the lenses is?
presbyopia
glaucoma
cataract
astigmatism
Correct answer is C
Most cataracts develop when aging or injury changes the tissue that makes up the eye's lens. Proteins and fibers in the lens begin to break down, causing vision to become hazy or cloudy. Some inherited genetic disorders that cause other health problems can increase your risk of cataracts.