Which process primarily transfers heat by moving?
Expert-Verified Answer. Option 3 radiation primarily transfers heat by moving air because that is what has the power of air. Energy that comes from a source and moves through space at the speed of light is called radiation. This energy has wavelike properties and is associated with an electric and magnetic fields.
What causes rapid downslope flow?
Landslides can be initiated in slopes already on the verge of movement by rainfall, snowmelt, changes in water level, stream erosion, changes in ground water, earthquakes, volcanic activity, disturbance by human activities, or any combination of these factors.
What percent of rubidium 87 atoms will be left after 4 half lives?
Expert-Verified Answer. Therefore, after four half-lives, approximately 6.25% of the rubidium-87 atoms will be left.
Which motion causes the observer to see different constellations at midnight on July 7 compared to midnight on January 3?
Which motion causes the observer to see different constellations at midnight on July 7 compared to midnight on January 3? Revolution of Earth in its orbit.
What is the fastest process of heat transfer?
In radiation, heat is transferred by electromagnetic waves traveling at the speed of light. Hence, radiation is the fastest method of heat transfer.
What is heat transfer called?
The specific mechanisms are usually referred to as convection, thermal radiation, and conduction (see thermal conduction). Conduction involves transfer of energy and entropy between adjacent molecules, usually a slow process. Convection involves movement of a heated fluid, such as air, usually a fairly rapid process.
What is the process responsible for moving material downslope called?
Mass wasting is the movement of rock and soil down slope under the influence of gravity. Rock falls, slumps, and debris flows are all examples of mass wasting. Often lubricated by rainfall or agitated by seismic activity, these events may occur very rapidly and move as a flow.
Which process is responsible for transferring material downslope?
Mass movement is an erosional process that moves rocks and sediments downslope due to the force of gravity. The material is transported from higher elevations to lower elevations where other transporting agents like streams or glaciers can pick it up and move to even lower elevations.
What are the 4 types of mass movement?
- Rockfall. Bits of rock fall off the cliff face, usually due to freeze-thaw weathering.
- Mudflow. Saturated soil (soil filled with water) flows down a slope.
- Landslide. Large blocks of rock slide downhill.
- Rotational slip. Saturated soil slumps down a curved surface.
What atom has the highest half-life?
The element that has the longest half-life is Bismuth. The isotope, Bismuth-209, goes through alpha decay every twenty billion billion years. Alpha decay is when alpha particles are emitted from the isotope.
What element has a half-life of 4?
Radon-222, for example, has a half-life of just four days. Some elements, however, decay very, very slowly.
How to do half-life?
The half-life of a reaction is the time required for the reactant concentration to decrease to one-half its initial value. The half-life of a first-order reaction is a constant that is related to the rate constant for the reaction: t1/2 = 0.693/k.