Pollutants vary in their persistence, which means some ____.
A) reside in the environment for thousands of years, whereas others last for only a few minutes
B) are toxic to organisms in tiny concentrations
C) may seem harmless, but could be very deadly to distant species
D) may interfere directly or indirectly to marine populations
Question 2
Pollutants that can be broken down by natural processes into simpler compounds are described as ____.
A) hermatypic
B) sustainable
C) renewable
D) biodegradable
Humanmade pollutants may be driving the expansion of the Earth’s tropical belt seen
Gangrene of the toes and foot as a result of an infection often means eventual amputation.
Selective pressures from the environment influence adaptation
Economic activity as viewed by environment and ecological economists
Three Types of Lipids The three types of lipids vary in structure
A 40.0-kg crate is being raised by means of a rope. Its upward acceleration is 2.00 m/s2. What ...