Which of the following is a star that is in its old age?

1) Red giant

2) Brown dwarf

3) Black hole

4) Protostar

Explain why some modern youth in North Africa and Southwest Asia are increasingly attracted to extremist groups.

What happened around 800 million years after Earth formed to allow rocks to form? O A. Life began to appear. O B. The sun dimmed considerably. D C. Earth cooled sufficiently. D. The ozone layer formed.

Physical geography of Europe influenced patterns of migration

By what factors are all cultures defined? a) surroundings, upbringing and experiences, b) core religious values, family customs, and surroundings c) surroundings, terrain, and weather patterns d) upbringing, wars, and the rule of law

What are the largest pieces of land on earth called?

Conseqüências da guerra dos balcãs

What do you often find in sedimatary rocks?

Changes to the earth that can be explained by plate tectonics include all the following except ___ Earthquakes, erosion, mountain ranges, volcanoes

Iron: A. is forming today in the Great Lakes region as banded-iron formations (BIFs). B. is stronger and weighs less than aluminum. C. was the first of the common metals (iron, aluminum, and copper) to be used by humankind. D.

Glacier store about 70% of the worlds freshwater true or false