Which of these is an example of nonpoint-source pollution?
O
A. Exhaust is emitted during rush hour in a city,
O
B. Loud music comes from a concert in the city.
O
O
C. Smoke is emitted from a factory smokestack.
D. Bright light is emitted from a street lamp.

Please I need help!!

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm

Chronic obstructive pulmonary disease (copd) makes it difficult for the respiratory system to deliver oxygen to the lungs. the scientist wants to use a computer simulation to model how copd affects heart rate and respiratory rate during exercise. she will compare the results of the simulation to the results she gathered in her previous study. which of the following would be an appropriate dependent variable for the new study?

What part of the cell membrane does not mix with water