Which of the following is NOT native to Australia? A. didgeridoos B. boomerangs C. koalas D. sheep

What term is given to the border between the central alps and the southern limestone alps?

If scientists only detect p waves in a certain layer of earths interior what does that tell us?

Which of these is a drawback of using natural gas? a. it is fairly safe for use in homes.b. it burns more cleanly than crude oil products.c. scientists have developed new ways of extracting it.d. during its extraction, groundwater can be contaminated.