The bottom one is (-3, -4)
the top one is (-6, 5)
.gov is the current domain extension type used by most United States government or government supported sources. You can trust these sources to be, if not accurate, then at least backed by the majority of the US population and governing power as the most commonly perceived knowledge in that sector.
To be heathlyer and have more variety
Necessarily so but some of that is essential as indoctrination is part and parcel of what we need to do in our schools
