Clouds are colloids. What is the dispersion medium?

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.

100 grams of molten lead (600°c) is used to make musket balls. if the lead shot is allowed to cool to room temperature (21°c), what is the change in entropy (in j/k) of the lead? (for the specific heat of molten and solid lead use 1.29 j/g⋅°c; the latent heat of fusion and the melting point of lead are 2.45 × 104 j/kg and 327°c, respectively.)