Chemistry, 29.01.2020 22:43, wolfgirl10000

What is a term called gradient in earth science?

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Chemistry, 22.06.2019 08:30, lpssprinklezlps

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots

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Chemistry, 22.06.2019 21:30, MJyoungboy

Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.

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Chemistry, 22.06.2019 22:30, eduardoguizar8787

Which one of the following bonds would you expect to be the most polar? a) b–h b) n–h c) p–h d) al–h e) c–h

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Chemistry, 23.06.2019 13:20, brainbean

Use the periodic table to answer the following questions. what is the predicted order of first ionization energies from highest to lowest for beryllium, calcium, magnesium, and strontium? o be > ca > mg > sr o be > mg > ca > sr o ca > sr> be > mg o sr > ca > mg > be done