Hypothesis 2 ·"LHB" is just a part of an even longer period of bombardment
"LHB" is part of a continuous bombardment that lasted billions of years. "LHB" just happened to be last and hence obliterated evidence of earlier impacts.
Further Research ·To decide between the different hypotheses
Passage Style
Critique or debate
Phenomenon-hypothesis (RC)
12.
According to the passage, the █████ █████ ██ ██████████ ███████████████ ████████ ██ ███ ██████ ██████████ ████████ ████ ███ ███
Question Type
Stated
This is a Stated question about the supporters of Hypothesis 3 as described in P2. These are the scientists who think that the LHB was limited to the Earth-Moon system.
a
affected only the ████
Unsupported. We see in the last sentence of P2 that these scientists think that the LHB was limited to the Earth-Moon system, not just the Moon itself.
2%
b
was so brief ████ ███ ██████ ███ ██ ██ ██████ █████████
This is stated in P2.
88%
c
consisted of so ██████ ██████ ████ ██ ███ ████████ ███████ ██ ███ ███████ ██ ███ █████ █████ ██████
Unsupported. According to these scientists, the cataclysm did not extend through the inner solar system, so there’s no reason to believe that the debris would have been absorbed by the inner solar system planets.
5%
d
occurred more recently ████ ████ ███████ █████ ███
Unsupported. The discussion of the scientists who support Hypothesis 3 does not indicate that these scientists disagree with the pre-established time frame of four billion years ago that was given in P1.
1%
e
may have lasted █ ████ █████ ███ ███ ███ ██████ ████████ ██████ ███ ██████████ ██████
Anti-supported. According to Hypothesis 3, the LHB was brief.
4%
Difficulty
88% of people who answer get this correct
This is a moderately difficult question.
It is significantly easier than other questions in this passage.
CURVE
Score of students with a 50% chance of getting this right
25%131
142
75%154
Analysis
Stated
Stated
Stems asking us to identify an idea that appears explicitly in the passage (as opposed to ideas that are merely implied).
Critique or debate passages contain multiple points of view on a particular subject. Sometimes the author takes sides and participates in the critique or debate, other times the author merely reports the debate.
Passages that focus on describing or evaluating potential explanations for a given phenomenon. Causal reasoning features prominently in these passages.