Which element is used to produce fuel for nuclear power plants? a. calcium carbonate b. uranium c. sodium chloride d. graphite

What did the native title act do? a. it recognized and protected aboriginal rights to land. b. it stated that aborigines were to be counted as part of the census. c. it established aboriginal languages as official. d. it granted aborigines suffrage.

In a command economy, the majority of goods and services are provided by the

Which of the following is a measure of the amount of light a star directly emits? a. luminosity b. wavelength c. brightness d. intensity