Examlex
A pollen grain is best described as a ____.
Tractor Chassis
The main structural frame of a tractor, to which all other components and systems are attached or supported.
Kingpin
(1) The linkage pin used in a steering knuckle that permits the assembly to pivot, or the tempered steel, coupling pin mounted on a trailer upper coupler that engages with fifth wheel jaws; (2) The lugged pin built into a trailer upper coupler assembly that engages to jaws in a fifth wheel assembly, permitting articulation at the fifth wheel. Forged from middle alloy steels and tempered. In North America, a kingpin is usually welded into the upper coupler; elsewhere, it is more often bolted.
Sliding
The motion where there is continuous contact between a moving object and a surface, often leading to wear or the generation of heat.
Altering Weight
Adjusting the mass distribution in a vehicle or system to change its performance or stability characteristics.
Q7: Carolus Linnaeus developed a classification system for
Q10: According to Oparin and Haldane, the prebiotic
Q10: Genome sequence comparisons have now shown that
Q12: Lignified, tube-like structures that branch throughout the
Q37: Answer the question using the accompanying figure.
Q42: Heterospory refers to having _.<br>A)both male and
Q68: Answer the question using the accompanying figure.
Q68: The world's oldest continuously standing tree is
Q76: Leaves arose several times during plant evolution.
Q83: Most fossils form in sedimentary rocks.