During science lab, Carl notices that when he adds water to his solid sample of anhydrous copper
copper sulfate, CuSO4, his reaction vessel
becomes warm and a blue solution forms. Describe what is happening
es )))

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

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

What is the magnitude of the force of gravity between to 1000 kg cars which are separated by distance of 25. 0 km on an interstate highway? the force between the two cars will be what