The answer is A. They contain a large amount of gas and dust
Answer:
Hormones are chemical messengers that are secreted directly into the blood, which carries them to organs and tissues of the body to exert their functions. There are many types of hormones that act on different aspects of bodily functions and processes.
The Old field succession is a man-made secondary succession that occurs when a farmer stops cultivating their field for a lengthy period of time.
The definition of old fields, which has been a topic of discussion among modern ecologists for some time, is that they are an intermediate stage in the natural succession of an ecosystem moving towards its climax community. Many times, old field sites are marginal lands with poor soil quality that are unfit for pasture or farming.
The terms "grass and forbs stage," "shrub and sapling stage," "pole stage," and "mature forest" are frequently used by foresters to describe these stages. Forest succession is the process by which plant communities develop in a regular, predictable manner.
When a farmer gives up on a farm, the abandoned land quickly becomes overgrown with weeds and grass.
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When entering the stomach, the food is broken down and the nutrients are absorbed by the body to provide energy and nourishment. The rest of what's left gets discarded out of your body.
<h2>Heptatitis B Vaccine</h2>
Explanation:
- Hepatitis B antibody can forestall hepatitis B. Hepatitis B is a liver affliction that can cause smooth disorder suffering a large portion of a month, or it can provoke an authentic, profound established illness. Intense hepatitis B defilement is a transient disease that can incite fever, depletion, loss of needing, nausea, spewing, jaundice (yellow skin or eyes, dull pee, soil shaded strong releases), and misery in the muscles, joints, and stomach.
- Hepatitis B pollution is a long stretch ailment that happens when the hepatitis B disease remains in a person's body. A great many people who proceed to create interminable hepatitis B don't have side effects, however, it is still Acute and can prompt liver harm (cirrhosis), liver malignancy, and passing. Constantly contaminated individuals can spread hepatitis B infection to other people, regardless of whether they don't feel or look wiped out them.
- Hence, the right answer is "yes"