Aluminium can be manufactured from the electrolysis of a molten mixture of aluminium oxide and cryolite. In this process, which electrode must be continually replaced

What type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? view available hint(s) what type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? salt bridge disulfide bridge hydrogen bond hydrophobic interaction

Can someone me with 6 to 10 plz this is for masteries test.

What is the percentage of hydrogen in c2h4