Which river could possibly create enough hydro power to take care all of Africa? a
Congo

b
Niger

c
Nile

d
Zambezi

What is the approximate chemical composition of the solar nebula?

Ano anu ang mga guhit na makikita sa mapa o globo? ibigay ang kuhulugan ng bawat isa

Effective charts and graphs include all of the following except 1. simple, meaningful, attractive design 2. accurate information 3.at least five different colors 5.clear presentation of information