QUESTION 1 OF 13
Which gas do plants absorb from the atmosphere for photosynthesis?
Explanation: Plants absorb carbon dioxide from the atmosphere for use in photosynthesis.
QUESTION 2 OF 13
Which gas is most abundant in the Earth's atmosphere?
Explanation: Nitrogen is the most abundant gas in Earth's atmosphere, making up about 78%.
QUESTION 3 OF 13
The most abundant gas in Earth's atmosphere is:
Explanation: Nitrogen is the most abundant gas in Earth's atmosphere.
QUESTION 4 OF 13
The second most abundant gas in Earth's atmosphere is:
Explanation: Oxygen is the second most abundant gas in Earth's atmosphere.
QUESTION 5 OF 13
The layer of Earth's atmosphere closest to the surface, where weather occurs, is called the:
Explanation: The troposphere is the atmospheric layer closest to Earth's surface, where weather occurs.
QUESTION 6 OF 13
The ozone layer, protecting Earth from harmful UV radiation, is located within the:
Explanation: The ozone layer, protecting Earth from UV radiation, is located within the stratosphere.
QUESTION 7 OF 13
The boundary where two tectonic plates move apart from each other is called a:
Explanation: A divergent boundary is where two tectonic plates move apart from each other.
QUESTION 8 OF 13
The boundary where two tectonic plates collide and one is forced beneath the other is called a:
Explanation: A convergent boundary is where two tectonic plates collide, with one forced beneath the other (subduction).
QUESTION 9 OF 13
The San Andreas Fault, a famous geological feature, is an example of a:
Explanation: The San Andreas Fault is a famous example of a transform boundary.
QUESTION 10 OF 13
The Richter scale is used to measure the:
Explanation: The Richter scale is used to measure the magnitude of earthquakes.
QUESTION 11 OF 13
Igneous rocks are formed from the cooling and solidification of:
Explanation: Igneous rocks form from the cooling and solidification of molten magma or lava.
QUESTION 12 OF 13
Sedimentary rocks are typically formed through the process of:
Explanation: Sedimentary rocks typically form through deposition and compaction of sediment layers over time.
QUESTION 13 OF 13
Metamorphic rocks are formed when existing rocks are transformed by:
Explanation: Metamorphic rocks form when existing rocks are transformed by intense heat and pressure without fully melting.