Maria notices that the frogs that live in a pond near a local airport have begun to show strange deformities. She researches drog deformities and sees that research had pointed to a chemical known as ethylene glycol (antifreeze used in airplanes) as a lukely cause. What is the logical nest step for maria to take?

the major pests we deal with are insects, weeds and fungal diseases. a pesticide is a product, whether organic or chemical, used to kill the target pest. there are other techniques gardeners should use that can prevent the severe infestations that make the use of pesticides necessary

metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

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