A balloon with heiium gas . Which of the following Best described the behavior of the gas molecule inside the balloon

Which statement describes covalent bases? they have hydroxide ions. they produce hydrogen ions. they are often amines. they are named the same as ionic compounds.

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

How does the presence of oxygen affect the chemical pathways used to extract energy from glucose?