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WGU Integrated Physical Sciences (C165, C908) Exam - Topic 2 Question 10 Discussion

Posted by Goldie on May 06, 2026 at 10:36 PM

A heavy rain produces runoff.

Which reservoir does the water become a part of during this runoff process?

Suggested Answer: D

When heavy rain occurs, the water that does not infiltrate into the ground or evaporate runs off over the land surface. This runoff water collects in rivers, lakes, and streams, becoming part of the surface water reservoir. Surface water is the body of water above ground, including rivers, lakes, reservoirs, and oceans, which is replenished by precipitation and runoff.


Integrated Physical Sciences documents on the water cycle and hydrology.

Textbook resources on water reservoirs and the distribution of Earth's water.

Get Premium Integrated Physical Sciences (C165, C908) Questions as Interactive Web-Based Practice Test or PDF Real Exam Format Detailed Explanations Instant Access Get Your Practice Test
24 comments · newest first
CA
Carman 2 days ago
Ground water could be a possibility too.
AN
Annmarie 7 days ago
Yeah, I agree. It flows into rivers and lakes.
KI
Kimbery 12 days ago
I think it's surface water. Makes sense.
KA
Kallie 17 days ago
I feel confident about surface water. It’s the most direct route.
RI
Ricarda 23 days ago
Surface water is where it ends up, no doubt about it!
SO
Son 28 days ago
Atmosphere is not right either. Water doesn't just disappear up there.
IL
Ilona 1 month ago
Glaciers seem too far off for runoff.
AL
Aliza 1 month ago
Definitely surface water! Rain flows into rivers and lakes.
DA
Dallas 1 month ago
Ground water could be a possibility too, but runoff usually goes to surface.
SE
Serina 2 months ago
I agree, surface water is the most logical choice.
DA
Dahlia 2 months ago
I think it's surface water. Makes sense with runoff.
RO
Ronna 2 months ago
Surprised it's not glaciers!
MA
Marge 2 months ago
Surface water makes the most sense here.
WA
Wai 2 months ago
Wait, isn't it also part of the atmosphere?
TA
Tamar 2 months ago
I thought it might be groundwater.
JU
Judy 3 months ago
Definitely surface water!
JO
Josphine 3 months ago
I feel like surface water is definitely the main reservoir for runoff, but I wonder if there are exceptions in certain environments.
DA
Daniel 3 months ago
I’m a bit confused about this one. Couldn’t some of the runoff eventually seep into groundwater too?
AL
Alexis 3 months ago
I remember practicing a question like this, and I think surface water was the right answer. It makes sense since runoff usually flows into rivers and lakes.
LA
Lamonica 3 months ago
I think the water from runoff mainly goes into surface water, but I'm not entirely sure if it could also affect groundwater.
MI
Misty 4 months ago
I practiced a similar question, and I chose surface water too. It just makes sense since that's where the water flows into.
SO
Sol 5 months ago
I’m a bit confused; could runoff also affect groundwater? I feel like I read something about that.
LA
Lashaunda 5 months ago
I remember studying the water cycle, and runoff definitely contributes to surface water bodies like rivers and lakes.
JU
Justine 5 months ago
I think the water from runoff mainly goes into surface water, but I'm not completely sure.
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