Pls help. :) The boxes show five different substances, A, B, C, D and E.
O and represent atoms of different compounds.
(a) Which box contains a substance that is only one compound?
(b) Which box contains a substance that is a mixture of an element and a
compound?

Which of the following mining methods disrupts the sea floor?

Which statement are accurate about snow flakes

Five different substances are given to you to be dissolved in water. which substances are most likely to undergo dissolution in water? check all that apply. view available hint(s) check all that apply. sodium fluoride, naf octane, c8h18 propanol, ch3ch2ch2oh potassium iodide, ki benzene, c6h6