Show that triangle is isosceles

How many countries have portuguese as a national language?

How would i answer this in a exam. orange - sea temperature is over 27 red arrows - tropical storm routes

Which statements about wells are true? check all that apply. a) wells bring groundwater from the unsaturated zone to the surface of the water. b) wells need to be drilled below the water table. c) if water is pumped from a well too quicky, the well may run dry. d) water from wells is generally not safe to drink. e) water gushes from artesian wells due to pressure.