Earth is like a bar magnet. what does this mean about its magnetic poles

a. there are two magnetic north poles

b. there is only a magnetic pole
c. there are both magnetic north and south poles.
d. there is only a magnetic south pole

Find the protons, electrons and neutrons for strontium with a mass of 83

Consider the point on the plot where 10.0 g of naoh have been added. what amount of naoh, in moles, has been added? 0.308 mol fecl3 initially present

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?