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Anna35 [415]
3 years ago
6

Depressants may reduce the effectiveness of your immune system making it easier for you to catch a cold and you may be at greate

r risk for developing cancer.a) trueb) false
Biology
2 answers:
zlopas [31]3 years ago
7 0
The statement above is TRUE. 
Depressants has many negative effects, these include depression, chronic fatigue, breathing difficulties, sleep problems, etc.
Long time use of depressants can affect the immune system, weakening it considerably and making the body susceptible to many diseases including cancer.
Mars2501 [29]3 years ago
5 0
Depressants are stimulants are drugs used to inhibit sleep, lose weight, prevent asthma or some other purposes. The depressants slow the activity of the central nervous system,stress on the cardiovascular system, nausea and vomiting and elevate dopamine and energy levels. All these things lead to weakening of the immune system. So, the statement that <span>Depressants may reduce the effectiveness of your immune system making it easier for you to catch a cold and you may be at greater risk for developing cancer is true.</span>
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Which conclusion is best supported by his observations?
olganol [36]

What are his observations? We can’t answer this without knowing his observations if those are the conclusions. Please provide the rest of the information and I can answer.

8 0
3 years ago
A response that is uniquely directed against pathogenic bordetella pertussis would involve what component?
xxMikexx [17]

Answer:

Antibodies

Explanation:

Bordetella pertussis is an obligate human pathogen and is the etiological agent of whooping cough. It is known to be an opportunistic organism.

The pathogenic mechanism of Bordetella pertussis is also known as virulence factor. These virulence factors are known to include adhesins such as filamentous haemagglutinin, fimbriae and pertactin, which allow B. pertussis to bind to ciliated epithelial cells in the upper respiratory tract.

It is known to be the agent of whooping cough, a highly contagious respiratory disease, dramatic for infants and also for elderly and pregnant women.

In this case, the antibodies will be the response that is uniquely directed against the organism. It is said earlier that this organism is an opportunistic one, this means that it causes infection when the immunity is down. So, when the immunity is empowered , it will definitely fight against the organism

3 0
3 years ago
In the ocean, plants and other photosynthetic organisms take in carbon. This carbon is transferred through the food web into the
musickatia [10]

Answer:

C.  Oceans are carbon sinks because they store more carbon than they emit.

Explanation:

Oceans are carbon sinks because they store more carbon than they emit. Most of the carbon is produced in the respiration process as well as burning of fossil fuels. This carbon moves to the atmosphere and dissolved into the ocean which is required by the vegetation of ocean. Due to this carbon, vegetation produced more food for the organisms. About 25% of all CO2 emissions are absorbed by the ocean. Source is the part of a plant where materials are produced e.g. leaves whereas Sink refers to the part of the plant where the substrate can be stored e.g. roots or stem for starch.

6 0
3 years ago
1. what would most likely happen to the lynx population if the rabbit population decreases?
guajiro [1.7K]

Answer: 1) a. decrease 2) b. increase

Explanation: 1) If the rabbit population declined and it is the main source of food for the lynx, the lynx population would decrease because it wouldn’t have enough to eat. 2) Since the lynx is a predator of rabbits, but all the lynx were killed then the rabbit population would increase because they aren’t being eaten.

7 0
2 years ago
Describe the potential effects when a keystone species is removed from a community.
Vlad [161]

Answer:

Explanation:

A keystone species is the one which plays an important role in maintaining the structure of the ecosystem. On the keystone species many other species of the ecosystem are dependent upon.  

The potential effects associated with the keystone species includes the following:

1. No other species will be capable of filling the same ecological niche. Hence, the dependent organisms will suffer and the ecosystem will change drastically.

2. The ecosystem will be populated by the invasive species which will affects the population of native species.

5 0
3 years ago
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