Sand or gravel that naturally forms near the Earth's surface is known as aggregate. Option "A" is the correct option among all the options given in the question. Practically aggregate has several type of meanings. In respect to the question given the meaning of aggregate is the combination of several items that are together known as aggregate.
The arrangement of the layers of the atmosphere from the ground to the outer regions above the ground is troposphere, stratosphere, mesosphere, thermosphere, ionosphere and exosphere. The UV is said to be absorbed by layers thermosphere, mesosphere and stratosphere. Answer is B.
Electromagntic wave, such as an X-ray.
Explanation:
- Electromagnetic wave does not require any medium to travel. These waves propagate outwards from the source.
- They can travel even through the vacuum of outer space.
- The major source is the sun which emits radiation in the form of the Electromagnetic spectrum.
- These waves travel through oscillating electrical and magnetic fields generated by the oscillating charged particles.
- These waves oscillate in the perpendicular direction of planes concerning each other and are in form.
- Electromagnetic waves travel at speed of light.
Answer:
True pastoralism is one of subsistence agricultural.
It is a false statement that an occluded fronts is characterized as the beginning stages of a middle latitude cyclone.
<h3>What is a middle latitude cyclone?</h3>
It refers to the synoptic scale low pressure system that has cyclonic flow that is found in the middle latitudes in a counter-clockwise form in northern hemisphere.
Most time, what occurs during the occluded front phase of a middle latitude cyclone is that there is a dryness and coolness of the air that causing a dissipation of the system.
Therefore, It is a false statement that an occluded fronts is characterized as the beginning stages of a middle latitude cyclone.
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