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cestrela7 [59]
3 years ago
5

True or False. Viruses depend on a host to survive.

Biology
1 answer:
Fudgin [204]3 years ago
5 0

Answer:

True.  Viruses need a host. For Example, Ticks survive on blood from a host.

Explanation:

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How much stronger is an earthquake of magnitude 7, than an earthquake of magnitude 6?
vladimir2022 [97]

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A magnitude of 7 is 32 times more stronger than a magnitude of 6

Explanation:

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Characteristics that are always present in living organisms are
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When an individual receives a blood transfusion, the blood types must be matched appropriately. If the blood types are incorrect
san4es73 [151]

Answer:

type II hypersensitivity

Explanation:

Based on the scenario being described within the question it can be said that these types of reactions are best defined as type II hypersensitivity. This is an process in which specific antibodies bind to antigens that causes tissue damage or destruction, and mainly occurs when an individual is given the wrong blood type.

6 0
3 years ago
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The respiratory system contains which of the following structures and organs?
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The answer for that question is a
7 0
3 years ago
What types of waves are sound and light? Explain how they would be classified based on the direction of their particle movement
Llana [10]

Answer:

Longitudinal versus Transverse Waves versus Surface Waves

One way to categorize waves is on the basis of the direction of movement of the individual particles of the medium relative to the direction that the waves travel. Categorizing waves on this basis leads to three notable categories: transverse waves, longitudinal waves, and surface waves.

A transverse wave is a wave in which particles of the medium move in a direction perpendicular to the direction that the wave moves. Suppose that a slinky is stretched out in a horizontal direction across the classroom and that a pulse is introduced into the slinky on the left end by vibrating the first coil up and down. Energy will begin to be transported through the slinky from left to right. As the energy is transported from left to right, the individual coils of the medium will be displaced upwards and downwards. In this case, the particles of the medium move perpendicular to the direction that the pulse moves. This type of wave is a transverse wave. Transverse waves are always characterized by particle motion being perpendicular to wave motion.

A longitudinal wave is a wave in which particles of the medium move in a direction parallel to the direction that the wave moves. Suppose that a slinky is stretched out in a horizontal direction across the classroom and that a pulse is introduced into the slinky on the left end by vibrating the first coil left and right. Energy will begin to be transported through the slinky from left to right. As the energy is transported from left to right, the individual coils of the medium will be displaced leftwards and rightwards. In this case, the particles of the medium move parallel to the direction that the pulse moves. This type of wave is a longitudinal wave. Longitudinal waves are always characterized by particle motion being parallel to wave motion.

A sound wave traveling through air is a classic example of a longitudinal wave. As a sound wave moves from the lips of a speaker to the ear of a listener, particles of air vibrate back and forth in the same direction and the opposite direction of energy transport. Each individual particle pushes on its neighboring particle so as to push it forward. The collision of particle #1 with its neighbor serves to restore particle #1 to its original position and displace particle #2 in a forward direction. This back and forth motion of particles in the direction of energy transport creates regions within the medium where the particles are pressed together and other regions where the particles are spread apart. Longitudinal waves can always be quickly identified by the presence of such regions. This process continues along the chain of particles until the sound wave reaches the ear of the listener. A detailed discussion of sound is presented in another unit of The Physics Classroom Tutorial.

Explanation:

3 0
3 years ago
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