Which of the following stars hosts the largest number of planets in its stellar system? (the name in parentheses is the short-hand version of the parent star’s name, convenient for searching for the planet name)

51 pegasi (51 peg)

47 ursae majoris (47 uma)

gliese 667c (gj 667c)

70 virginis (70 vir)

14 herculis (14 her)

Which of the following countries has declared itself nuclear free

What is the general rule about surface currents? cold water flows along the ocean floor towards the equator. the east coasts of continents have cold surface currents, and the west coasts of continents have warm surface currents. seasonal and constant offshore winds create significant upwelling along the west coasts of south and north america and africa. the west coasts of continents have cold surface currents, and the east coasts of continents have warm surface currents.

All of the following occurred due to the invention of the railroad except