Why are sub saharan rivers not very useful for travel

Danielle has blonde hair. her mother has blonde hair and her father has brown hair. which explains how danielle inherited her hair color? she inherited a chromosome that carry alleles for hair color from someone other than her mother and father. she inherited a chromosome that carries an allele for hair color from only her father. she inherited a chromosome that carries an allele for hair color from only her mother. she inherited a chromosome that carries an allele for hair color from each parent.

Which of the following statements best explains why there tends to be a greater number of large cities in southern africa than the east africa

What factors britain to become an industrial and commercial power?