How do chemical sedimentary rocks form?
Options: heat and pressure, evaporation of shallow sea water, layering of fossil sediments, colliding mountains.
The answer is evaporation of shallow sea water.
Gneiss is a metamorphic rock that is formed when granite is subjected to extreme heat and pressure. This occurs in when:
Options: shallow seas evaporate mountains, collide fossil sediments form layers, magma cools and hardens underground
The answer is magma cools and hardens underground.
Answer:
Thus, we can say that 24.6 grams of Fe2O3 is equivalent to 0.15 mole of Fe2O3.
Answer:
Correct answer is A.
Explanation:
Frequency is the number of oscillations that a wave have per unit time. Since time is measured in seconds, the wave with the highest frequency must register the highest number of oscillation per second. Hence, correct answer is A.
Theory- <span>a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.
Scientific law- </span>a statement based on repeated experimental observations that describes some aspect of the universe.
