Explanation:
It is a complex system that includes many different processes. Liquid water evaporates into water vapor, condenses to form clouds, and precipitates back to earth in the form of rain and snow. Water in different phases moves through the atmosphere (transportation).
<span>Water, Wind, Glaciers, you name it. Pretty much all of the Earth's forces can.
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In epidemiology, transmission refers to the mechanism by which a pathogen enters the host. A pathogen is a harmful microorganism (e.g., bacteria, viruses) capable of causing illness to a susceptible host.
- In this case, the missing word indicates 'A mode of TRANSMISSION from the source to the host'.
The different types of transmission include:
- Direct contact transmission (e.g., touching, kissing), which triggers the transference of the pathogen to a susceptible host.
- Aerosol transmission (airborne transmission): characterized by the inhalation of small particles (aerosol droplets) exhaled by an infected host.
- Zoonotic transmission: the reservoir is an infected animal.
- Oral transmission: infections caused by direct ingestion of the pathogen.
- Vector-borne transmission: infections transmitted by different animals (i.e., vectors) such as mosquitoes, ticks, fleas, etc.
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The correct option is B, SEED.
The seed is a reproductive part of the flowering plants. It has many functions, these include: protection of embryo from injury, production of food for the embryo, protection of embryo from dehydration, etc. The vascular system of the flowering plants makes it possible for the seed to provide the embryo with nourishment; the vascular system is responsible for movement of nutrients and water to all the other part of the plant.