The crisis-mapping tool ushahidi: (1 point)
a) prevents two-way dialogue between people.
b) is only available in the united states.
c) shows that a free software product can have great value.
d) relies on people using their desktop computing power to others.

Explain how tectonic plate movement creates geological events and features.

Which best describes california population when it became a state in 1850? a.because of the gold rush attracting settlers all over the world california population diverse.bcalifornia had banned foreign immigrants at the start of the gold rush.so,the states population was made up of entirely of americans from other parts of the country.c california had a large african population because many southern planters had moved their enslaved africans to start large farms.d the indian removal act had led to the relocation of thousands of eastern native americans to california.as,a result the majority of californias population was native american

What was one of the main goals of european exploration