Most planets have but none has a like earth does.
a biosphere; hydrosphere
an atmosphere; cryosphere
an atmosphere; hydrosphere
a hydrosphere; lithosphere

Which of the following best describes the economy of africa?

Why have the countries of the region had difficulty establishing democratic governments in recent years? choose all answers that are correct b is also correct i need to know if theres any morecommunists have overtaken the countries of the caucasus region. the soviets established national borders in the region without considering the location of ethnic groups. fighting continues between armenia and azerbaijan over the nagorno-karabakh region. civil war between communists and islamic groups in tajikistan resulted in thousands of deaths and refugees are forced to flee. in a test!

Which types of seismic waves travel through earths interior? select all that apply. a) l waves b) p waves c) s waves