Geography
The process of depletion of oxygen from water bodies occurring either naturally or due to human activities is called ……………. .
- Biomagnification
- Oxygenatioon
- Eutrophication
- Acid rain
Related Questions
Which of the following is NOT a toxic substances present in e-waste?
- Cadmium
- Lead
- Mercury
- Steel
Assertion (A): E-waste is one of the fastest growing waste.
Reason (R): With advancement in Information Technology there is an increase in volume of obsolete electronic products.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R does not explain A.
- A is true but R is false.
- A is false but R is true.
Wastes that pose a serious threat to human and environmental health are called
- Industrial waste
- Chemical waste
- Toxic waste
- Commercial waste
Assertion (A): Large scale epidemics, increased healthcare access, home based healthcare have contributed to a rise in biomedical waste.
Reason (R): Biomedical wastes require sophisticated processing plants, incineration and disassembly centres for proper disposal.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R does not explain A.
- A is true but R is false.
- A is false but R is true.