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in the centre of stars
Where were all the elements other than hydrogen and helium formed
A long-term, persistant influence on the system bringing about a change in the system
in terms of the earth systems a forcing is
Terrasphere
what is not a component or resoivour of the earth sof the earth system
falling into a swamp and dying
what would improve the liklihood of an organism being included in the fossil reccord
Human Hand
A birds wings is homologus to what part of the human body
silicates
The most common rock forming minerals on earth
Vesicular
what term is associated with igneous rocks
Metamorphic
What type od rock is a schist
Andesite
what is an intermediate volcanic rock
identify a mechanism capable of moving continents
The contenital drift hypothesis was rejected mainly because Alfred Wegner could not:
New crust and lithosphere is formed
A divergent boundary is where
is the sourse of earths magnetism
The earths core
More explisive
Higher silica content =
Convergent boundaries
in what setting would you usually find comosite cones (stratavolcanoes)
Iceland
Where on earth does the mid-ocean ridge system go onshore
Shield Volcano
What type of Volcano is Mauna Loa (Hawaii)
H2O (Vapour) and CO2
Which two gases dominated earths earliest atmosphere
Archaean
In which geological eon did photosynthesis first appear
Nitrogen Fixation
Which process might result in an excess og bioavaliable P realitve to N in the surface ocean
Olivine
What mineral would you NOT expect in highly weatherd soil
competence
What word refers to the maximum grain size that cn be transported by a river
creep
what is an example of continuous mass wasting
Sediment that builds deltas accross the continental shelf
Rivers and coastal erosion of New Zealand deliver
break up of the super continent Gondwana
Zelandia is a recently descovered submarine continent resulting from
A submarine landslide, Reduction in sediment and a turbulent mus-laden current
The Kaikoura earthquake caused
Warmer, more turbulent, less saline
Climate change is causing the Southern Ocean to become
Transpiration
the loss of water from soils via active uptake by plants is known as
Nitrate
what constituents found in river water is most likely associated with agricultural land use
33 degrees c
What is the estimated difference between the average surface temprature on earth with and without the greenhouse gas effect
Southward
if a parcel of air is moving eastward in the southern hemisphere in which direction does the coriolis force act
Gravity
in. earths atmosphere vericle pressure graident force is closely balanced by
Horizontal pressure graident and Coriolis
What two forces are balanced in geostrophic flow
Can either be grater or less than dry air
The density of moist air is
Ascends and spirals away from the low centre
In a low pressur weather system, the air
Troposphere
What is the region of the atmosphere between 0-10km altitude called
500 hPa
At what approximate atmospheric pressure levels do the jet stream occur
100%
At what relative humidity does condensation occur
Frozen ocean water that forms during the winter
Sea ice can be defines as
The base of the ice in the middle of the glacier
What part of the glacier flows the fastest
Rhe Ross Ice Shelf, the West Antarctic Ice Sheet, and the East Antarctic Ice Sheet all fit the definition of marine ice sheets.
Marine ice sheet
40 - 60mm
The east antartica ice sheet has the potential to raise global sea level by approximatley
Eccentricity, Precession, and Obliquity
the theory of (Milkankovitch) orbital forcing is based on variations during the quaternary period of the three main orbital perimeters. these are: