6. Which pair of elements has the most similar properties? D. Li and Be
C. Be and Ba
A. H and Mg
B. Na and Ca

Match the following items. 1. high-intensity bundle of energy being emitted from some decaying nuclei gamma ray 2. particle radiating from the nucleus of some atoms beta particle 3. negative particle identical to an electron but radiating from a decaying nucleus alpha particle

Which of the following best supports the concept that genetic information is passed on to offspring from both of their parents, not just one?

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