Questions tagged [homework]
If your question is part of your high school or college/university homework, please use this tag. Do not use this as the only tag on a question. It signifies that instead of a direct answer, care should be taken to explaining the steps to the solution, preferably sticking to just giving helpful, conceptual hints. This tag may be applied to questions which are not homework but are similar to a homework problem.
63 questions
2 votes
0 answers
105 views
Form Lines from Strike and Dip measurements
I am looking to draw form lines on this map based on the strike and dip measurements taken on site. From what I have gathered it is an anticline with a possible second fault to the right hand side. ...
3 votes
1 answer
321 views
Complete missing outcrop problem
Given A is upper limit of sand stone, B is the lower limit of the planes that are equal in distance and dip. Dip angle is 29 degrees. Complete the outcrop of this map. —————————————————————————- Now I ...
3 votes
1 answer
536 views
Relation between Magnitude of Greenhouse Effect and the Concentration of GHGs like $CO_2$
The Average Surface Temperature of the Earth is calculated by the following equation: $$\sigma T_s^4=\frac{(1-A)\Omega}{4}+\Delta E$$ where, $\sigma$= Stefan-Boltzmann Constant $T_s$= Average Surface ...
1 vote
1 answer
140 views
How do I find the temperature of the air mass, and how do I use a t-skew chart?
So the first problem I'm stuck on is this one: An airmass is moving down a mountain from point A to B. At A the temperature is -10 Celsius and the pressure is 890hPa. At point B the pressure is 1010 ...
1 vote
0 answers
218 views
Finding out actual dip and dip direction of refractor
We have two traveltive curves for first arrivals (direct and refracted) from a dipping refractor in the forward and reverse directions along a profile line. my question is: Is there a logical way (non-...
2 votes
0 answers
3k views
How to draw a strike and dip on a geologic map?
I know that Strike and dip refer to the orientation or attitude of a geologic feature. The strike line of a bed, fault, or other planar feature, is a line representing the intersection of that feature ...
3 votes
1 answer
185 views
When and where is the atmospheric greenhouse effect strongest?
Is the greenhouse effect stronger in the ice covered area or in the equator? Also is it stronger during winter or summer? I am thinking it is stronger in the Ice covered area and during winter because ...
2 votes
0 answers
182 views
Modification of an air mass
If an air mass that exists in North America starts moving south west or south east what kind of modification will affect it and how would you characterize it in it's final state? My answer is that it ...
3 votes
0 answers
196 views
Optical Thickness of the Atmosphere
Homework question: Show that the absorption optical thickness of the atmosphere at pressure $p$ (i.e., between $p$ and the top of the atmosphere) as a function of the mixing ratio of the ...
2 votes
0 answers
52 views
Agricultural self sufficiency after yellowstone eruption?
Given a 440 acre farm running roughly 200 acres of Crops and 40-50 head of cattle,in the secondary ash zone within the lake of the ozarks reigon of Missouri, how viable would survival be relying on ...
5 votes
2 answers
1k views
Number of tectonic plates
I came across a question asking what's the number of tectonic plates in this illustration: I don't know on which basis we count the tectonic plates. And I'm confused because I think they are 5 but the ...
3 votes
1 answer
831 views
Differentiate a rock and mineral
How to differentiate between a rock and a mineral by merely looking at it as a thumb rule?
2 votes
0 answers
45 views
what are some limitations for using meteorites as evidence for the Earth's age?
I'm currently doing a question at the moment which is: Evaluate the usefulness and limitations of evidence provided by meteorites of Earth's age. I'm having trouble finding some limitations at the ...
0 votes
0 answers
67 views
How does one analyze this graph on atmospheric C02 data obtained from the Mauna Loa observatory?
Graph I am analyzing: What I am trying to figure out from the graph is: What is the range for CO2 over the record (approximation) What are the major forcings for the overall trend in this record What ...
5 votes
1 answer
24k views
How to calculate residence time for an element in a reservoir?
The residence time for an element in a reservoir can be calculated by the reservoir size at steady state divided by the inflow or outflow rate. Given the following diagram, I need to calculate the ...