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den301095 [7]
3 years ago
9

which respiratory disease causes airways to narrow or become blocked when dust, smoke, or cold air is present?

Biology
2 answers:
amid [387]3 years ago
5 0

The respiratory disease that you are looking for would be Asthma

finlep [7]3 years ago
4 0
Asthma. When most people that have this disease encounter one of those things then they need special little tool which is called an inhaler.
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Could the environment change how secondary succession progresses? If so how?
marissa [1.9K]

Answer:

Yes,

Explanation:

Global issue such as global warming can alter the temperatures, cause seasonal precipitation, cause elevated amounts of carbon dioxide and can cause various ecological disturbances such as flooding which prevents the secondary succession to progress.

For more explanation visit

https://19january2017snapshot.epa.gov/climate-impacts/climate-impacts-forests_.html

5 0
3 years ago
What is the central Nervous system (cns)​
Allisa [31]

Answer:

the complex of nerve tissues that controls the activities of the body. In vertebrates it comprises the brain and spinal cord.

Explanation:

^

4 0
3 years ago
Union of haploid and diploid gamete results in a zygote that is
nikdorinn [45]

Answer:

Triploid

Explanation:

The process whereby gametes produced by different sexes of the same species of organism come together is called FERTILIZATION. A gamete is said to be HAPLOID (n) if it contains one set of chromosomes while it is DIPLOID (2n) if it contains two sets of chromosomes.

Hence, if an haploid (n) and diploid (2n) gamete unites, a zygote that is TRIPLOID (3n) emerges or forms. A triploid zygote will have three sets of chromosomes i.e. n + 2n = 3n.

5 0
3 years ago
Where is oxygen found or obtained from?
hichkok12 [17]

Answer:

Oxygen is obtained from photosynthesis process.

Explanation:

Oxygen is one of the most important element required for survival of living organism. Living beings inspire oxygen and expire carbon dioxide which is collectively called as respiration and is considered as most important biological process.

Plants prepare their own food through the process called photosynthesis. It is process through which the plants uses carbon dioxide and water as reactants and gives out glucose and oxygen as the end product.

The released product is sugar and gas, in which the sugar is consumed as food by other living organism and the gas called oxygen is used for respiration and other biological process. Thus it can be inferred that oxygen is obtained from process called photosynthesis.  

7 0
3 years ago
A tube that contains xylem and phloem​
pshichka [43]

Answer:

a stem

Explanation:

Plants have tubes that run through their stems and roots. These tubes carry water, minerals, and sugars. There are two types of tubes: xylem and phloem.

8 0
2 years ago
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