Which of the following qualifies as point-source pollution? a. a sewer pipe dumping raw sewage into a stream
b. fertilizer runoff from agricultural fields
c. exhaust from vehicles in a county
d. solid waste from consumers in a city
e. pollutants emitted by power plants in a region

47

explanation:

ok

sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).