The establishment of the european union has created more boundaries within europe then in the past.
true
false

One of the brightest comets of the 20th century was comet hyakutake, which passed close to the sun in early 1996. the orbital period of this comet is estimated to be about 30,000 years. find the semi-major axis of this comet’s orbit. compare it to the average sun-pluto distance and to the distance to alpha centauri, the nearest star to the sun, which is 4.3 light-years distant.

Wich of the following is not likely to appear on a map

Alow-pressure belt means the air is cold and dry warm and rising cold and sinking warm and moist