Why do we call earth the blue planet? what makes it look blue from space?

a
the water in the oceans only
b
the water in the atmosphere only
c
the water in the oceans and atmosphere
d
none of the above

Use your vocabulary words to complete the sentences below. more of the world's population is now concentrated in heavily populated urban areas known as a this is quite a contrast from the past when or native groups were either farmers or — hunters and gatherers who moved between places in search of food. advanced technology has led to the integration of world economics and cultures, in the world's more developed countries. this integration requires , the responsible use and management of natural resources.

What is the hottest recorded temperature on earth

#4.) describe the most likely weather conditions at indiana / ohio boarder. also could someone double check my other answers? i'd really appreciate it