North America is a very poor country?
True or false.

What structure on the south african coast has a range of 63 km and releases flashes every 30 seconds?

[ou.01jthe greatest speed with which any physical object moves is 300,000 km/soundsec. which of the following has a speed of 300,000 km/sec? a.light in water b.light in vacuum c.sound in air. d. sound in water

What is the main conflict in marriage is a private affair