Some forces only act on an object when they are in contact with it.
Others act at a distance from the object.
Which of these forces act only when in contact with an object?
None of these
Friction
Magnetism
Gravity
Buoyancy
Air Resistance

in situ hybridization has been widely used for research applications, including clinical cytogenetics, gene mapping, tumor biology and studies of chromosome evolution.

answer; /// i do believe its (heredity); good luck

in addition to spreading humanist ideas, erasmus has contributed to criticism of corruption in the church.

the electromagnetic energy from the sun arrives in the form of visible and invisible light.