Answer:
Lead is the major pollutants of high-tech gadgets, occupying 40%, while other metals 75%.This is because Pb forms lager components of these gadgets.For example a desktop computer contains about 10 pounds of Pb.
The lead to recycle these material to prevent pollution is important.
Explanation:
Answer:
Explanation:
surface tension decreases when temperature increases because cohesive forces decrease with an increase of molecular thermal activity. The influence of the surrounding environment is due to the adhesive action liquid molecules have at the interface.
Answer:
Rocks are an abiotic factor because they have never been alive.
An abiotic factor is a non-living component of the ecosystem. The abiotic factor affects the living factors of the ecosystem. The abiotic factors includes sunlight, weather conditions, temperature, water, soil, minerals and other factors.
Rock is a non-living factor of the city park ecosystem. Therefore, statement rocks are an abiotic factor because they have never been alive best illustrates a abiotic factor that is often found in a city park.
