Which of the following steps is essential for proper use of a fume hood? A. Keep a fire extinguisher nearby.
B. Keep the window closed.
C. Switch on the exhaust fan.
D. Never put your hands inside.

Which of the layers of the earth has the following three characteristics? i. it is made of molten rock. ii. it has currents that are constantly moving. iii. earth’s plates float on top of its currents.

The “twelve apostles” are in which national park?

What is an additional type of erosion found at the coast? what does it mean?