Which metal pollute the air of a big city?
Correct answer: C. Lead
- A. Copper
- B. Chromium
- C. Lead
- D. Cadmium
Explanation
Lead pollution in cities has historically come mainly from vehicle exhaust using leaded petrol, as well as industrial emissions and dust. Lead is toxic and can damage the nervous system, especially in children.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
About Environment and Atmosphere
Environmental science covers ecosystems, food chains and webs, energy flow, biogeochemical cycles, biodiversity, natural resources and population effects. Atmospheric study includes the layers and composition of air, weather and climate, greenhouse gases, global warming, ozone depletion, acid rain and pollution, with climate change distinguished from ordinary weather variation.
Practise Environment and Atmosphere
303 free Environment and Atmosphere MCQs from Everyday Science, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Everyday Science questions like this
Everyday Science is on 40 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Environment and Atmosphere questions
As we go higher into the atmosphere, the air becomes?
Pomology is the study of: _________?
The main factor for determining a region's climate is ___________?
Which of the gas is not known as green house gas?
Weather and climate are driven by what source(s) of energy ?
Volcanoes can also be caused by _____ so called 'hot spots'.