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A cylinder has a circular cross-section whereas a cuboid has a quadrilateral cross-section.
The cross section volume of a trapezoid is found between 0 and 2.0.
The cross section of a pyramid shrinks from the shape of the base down to a point as you move along its axis from the base to the apex. The cross section of a prism is constant along its axis.
Circle: If the knife is perpendicular to the axis of the cone.Ellipse: If the knife is between (perpendicular to the axis of the cone) and (parallel to the side of the cone).Parabola: If the knife is between (parallel to the side of the cone) and (parallel to the axis of the cone).Hyperbola: If the knife is parallel to the axis of the cone.Triangle: If the knife is perpendicular to the base of the cone.Point: If the knife is parallel to the base the cone and through the apex
A triangular prism has a uniformed cross-section whereas a rectangular pyramid does not.
Surfaces between layers of sediments (bedding planes) are usually deposited in horizontal sheets, but cross-bedding is inclined. Graded beds are horizontal and are usually sorted from coarse at the bottom to fine at the top.
Absolutely: there are many possibilities. The only issue is that as the cross-bedding is often not on a massive scale, this may cause graded bedding to become unnoticeable. It is clearer in a rock with only graded bedding. As the beds are often quite shallow, grading is often unnoticeable, yet it still may exist on a slight scale.
Cross-Bedding is a feature that occurs at various scales, and is observed in conglomerates and sandstones. It reflects the transport of gravel and sand by currents that flow over the sediment surface (e.g. in a river channel). sand in river channels or coastal environments. Graded Bedding means that the grain size within a bed decreases upwards.
Absolutely: there are many possibilities. The only issue is that as the cross-bedding is often not on a massive scale, this may cause graded bedding to become unnoticeable. It is clearer in a rock with only graded bedding. As the beds are often quite shallow, grading is often unnoticeable, yet it still may exist on a slight scale.
In planer bedding Surfaces are without cross lines, but cross-bedding is inclined.
Deltas
The F1 generation consists of the offspring of a cross between two parents; the F2 generation consists of the offspring of a cross between two individuals in the same F1 generation.
deltas
A common variety of cross bedding. Generally at a relatively low angle it resembles scooped grooves. It is formed by sand dune migration (large or small scale)
The process of pollination from same flower is called self-pollination. the process of pollination from another flower of same breed is called cross-pollination.
Cross bedding
Where only one of both bounding surfaces are curved.