Science question describe why the core of the earth is solid, despite its extreme temperature

Apush or pull that moves or changes and object when to objects touch

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?

Some molecular compounds, such as hcl, ionize completely in solution. for molecular compounds such as h2co3, most molecules do not ionize in solution. which describes the properties of these two solutes? a. hcl and h2co3 have the same effect on the properties of the solution. b. hcl raises the freezing point of water more than h2co3 does. c. hcl raises the boiling point of water more than h2co3 does.