Vegetation first blank and soil for second blank. Hope this helps! :)
The answer is Pidgin and Creole
I think the answer is B. Mantle.
Answer:
Through the period luminosity relation to Cepheid variables
Explanation:
The luminosity of a given Cepheid can be established when the period luminosity relationship is calibrated.
Their brightness is then used to find their distance
The great diving range is found in Australia.
Thanks for letting me help.