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What is spreading in regards to geology?
Spreading is generally thought of when speaking of sea-floor spreading. Sea-floor spreading takes place at the mid-ocean ridge where two oceanic plates are spreading/pulling apart from one another.
What is the modern seafloor spreading rate range?
Typical rates of spreading average around 5 centimeter (2 inches) per year.
How do you calculate the rate of seafloor spreading?
rate of spreading for stripe = width of stripe / time duration If a magnetic strips is 60 km wide and formed over 2 million years, then the rate at which spreading formed the was 30 km/m.y. The rate is equivalent to 3 cm/year. Spreading added an equal width of oceanic crust to a plate on the other side of the mid-ocean ridge, so the total rate of spreading across the ridge was 60 km/m.y. (6 cm/year), a typical rate of seafloor spreading.
What kinds of ocean currents might cause seafloor spreading?
Oceanic currents themselves do not directly cause seafloor spreading. Seafloor spreading is primarily driven by tectonic forces, specifically the movement of tectonic plates away from each other at mid-ocean ridges. This movement leads to the upwelling of magma from the mantle, creating new oceanic crust at the spreading center. Ocean currents can affect the distribution of heat and nutrients in the ocean, but they do not play a direct role in the process of seafloor spreading.
Who discovered Seafloor Spreading?
Henry H. hess
What is meant by allotment?
overhead allotment means the charging of overheads to cost units or cost centres.
What is meant by overhead allotment?
overhead allotment means the charging of overheads to cost units or cost centres.
What is meant by the terms under-absorption and over-absorption of fixed overheads how they arise and how they are calculated?
Over or Under AbsorptionNote that as long as planned level of activity and the actual level of activity is not the same there is always an Over or Under Absorption situationThis is because overhead absorption rate is set at the start of the period based upon an expected level of production and that during the period, the level of output and or overheads will be different from the planned overheads and or output.OVER-absorption occurs when the total overhead recovered or absorbed is GREATER than the actual level of overheads for the period.UNDER-absorption occurs when the total overheads recovered or absorbed is LESS than the actual overheads incurred in the period.
What are non production overheads?
Non production overheads are costs associated with the workings of a company. These costs do not go directly into making the item. For example, electricity or office space are non production overheads.
What is included in direct overheads and what is included in indirect overheads?
The items which are included in direct overheads are the ones which are directly related to production process like salaries of machine operators and buying raw materials. The ones that are included in indirect overheads do not relate to production like giving to charity among others.
What is the difference between variable overheads cost variance andfixed overheads cost variance?
Variable overhead cost variance is that variance which is in variable overheads costs between the standard cost and the actual variable cost WHILE fixed overheads cost variance is variance between standard fixed overhead cost and actual fixed overhead cost.
Are postage and stationery business overheads?
yes.
What is meant by primary liver cancer?
A primary cancer is one that starts in a particular organ, rather than spreading from elsewhere.
What are the advantage of cottage indutries?
Low overheads and diversity of products
Difference between marginal cost accounting statements and absorption cost accounting statement?
marginal costing considers only direct) materials,labour,expenses and variable factory overheads excluding fixed factory overheads but absorption considers (direct) materials ,labour,expenses,variable and fixed factory overheads.
How do you identify under and over absorption?
Over or Under AbsorptionNote that as long as planned level of activity and the actual level of activity is not the same there is always an Over or Under Absorption situationThis is because overhead absorption rate is set at the start of the period based upon an expected level of production and that during the period, the level of output and or overheads will be different from the planned overheads and or output.OVER-absorption occurs when the total overhead recovered or absorbed is GREATER than the actual level of overheads for the period.UNDER-absorption occurs when the total overheads recovered or absorbed is LESS than the actual overheads incurred in the period.
What are the three elements in a cost contlol system?
materials, labour and overheads
