Geologists obtain indirect evidence about Earth’s interior by a.
measuring pressure differences at Earth’s surface.
b.
estimating temperature inside earth.
c.
directly looking under the many layers.
d.
recording and studying seismic waves.

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 many moles are in 43.9 l of oxygen

The atom fluorine generally will become stable through the formation of an ionic chemical compound by accepting electron(s) from another atom. this process will fill its outer energy level of electrons.