In what layer are light gases such as helium and hydrogen found?

Which factors influenced the growth of christianity in east africa? select all that apply. a. mansa munsa’s pilgrimage to mecca b. trade with greeks and romans c. influence of a captured syrian servant d. invasion of mali’s christian military e. caravans of christians traveling through the trans-sahara trade network

Which leader was the first african american president at two different institutions for higher learning

Describe how you could move the flashlight above the paper to