If alaska and california are ignored, the list of 10 largest u.s. earthquakes shows ____________.

In 1453 the ___________________ conquered constantinople and renamed it istanbul.

In a grassy pine savannah, a longer interval between prescribed burns typically leads to _____.

Stable anticyclones act as a ________ to moving cyclones.

The "eye" of the hurricane is a zone characterized by ________.

The achievements of the tang and song dynasties include __________.

An individual raindrop consists of approximately ________ moisture droplets.

The ________ is a prominent location of sinking water in earth's thermohaline circulation.

Near the north pole, one degree of latitude extends ________ kilometer(s) on the ground.

Most of the earth's cloudiness results directly from ________.

An example of a geostrophic wind is ________.