Answer;
A. gases or particles present in high enough concentrations in the atmosphere to harm humans, other organisms and structures.
Explanation;
Air pollution is a type of pollution that occurs when harmful or excessive substances such as particulates, gases and biological molecules are introduced into Earth's atmosphere.
The burning of fossil fuels, such as coal, oil, natural gas, and gasoline to produce electricity and power our vehicles is the major cause of air pollution.
Answer:
muscles,glands
Explanation:
The part of the body that responds to the stimulus is called an effector organ. The peripheral nervous system is made up of sensory nerves that transmit impulses from the receptors in sensory organs to the central nervous system and motor nerve that transmits impulses from central nervous system to effector. The central nervous system receives and integrates impulses from the receptors and the relays them to the effector organs.
Answer:
Invasive plants tend to deplete soil health in grasslands by reducing biodiversity and eliminating native species. The shift towards an invasive plant monoculture is accomplished through a variety of strategies including competition for soil moisture, changing soil chemistry, shading and space.
The elevation changes of the mountain that cause different climates and altitudes