2. Which one of the following is not an ore of Fe? *

Haematite
Cryolite
Magnetite

Which features are shown in the image? check all that apply. folds o anticlines o synclines o normal faults ostrike-slip faults

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

What produces wave a)sound b) heats c)transfer of energy d)vibrations