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NeX [460]
3 years ago
7

Why are some planets called gas planets?

Biology
2 answers:
seraphim [82]3 years ago
4 0
The term would probably be "Gas Giants". But Either way, the term "gas planets" is used whenever there is a planet composed of (made of) gas-like substances. (hope it helps)
Solnce55 [7]3 years ago
3 0
Because they are made mostly or partly out of gas.
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HELP!!!
Mashutka [201]

Answer: Classified as a theory.

Explanation: The dictionary definition of theory is a system of ideas that are used to logically explain something. It also says that they are also based off of something not entirely connected to the thing the theory is being made about.

Because the idea that the universe has expanded explains such a large number of observations, which in turn leads to more predictions and therefore more observations that support it, this becomes your system of ideas. Because this system was based off of the aforementioned observations in the first paragraph, this proves that it is best classified as a theory.

3 0
3 years ago
Give two ways that the activities of the caterpillar in the picture would change its ecosystem.
S_A_V [24]

1) Eating leaves

2) Being food for birds

3 0
3 years ago
Read 2 more answers
The _______ virus is responsible for causing German measles.
PtichkaEL [24]

Answer:

Rubella.

Explanation:

German measles is a viral infection that causes red rashes on the whole body of an infected person. The disease can be easily spread from infected people to healthy people by sneezing or coughing.

The German measles is caused by rubella virus.Rubella virus contains single stranded DNA as its genetic material. Rubella virus causes fever and swollen lymph nodes in infected individuals.

Thus, the correct answer is rubella virus.

7 0
2 years ago
Parkinson disease is associated with demyelination of CNS neurons. a pyramidal nerve tract lesion. insufficient production of ac
Pepsi [2]

Answer:

The correct option is: <em>a deficiency of dopamine in the substantia nigra.</em>

Explanation:

The substantia nigra is the principal site involved in the physiopathology of Parkinson´s disease.

Cells from this area degenerate and die progressively causing important degeneration in the central nervous system. The cells that die -with no known reason- are those that produce dopamine and proportionate dopaminergic innervation to the encephalon. In fact, almost all the symptoms exhibited by patients with the disease can be explained by the lack of dopamine in the substantia nigra.  

This area uses the neurotransmitter to communicate neurons from the base ganglia. Ganglia are responsible of modulating and modifying movements.

The nigrostriatal system participates in planning and automatic execution of learned movements. When the ganglia activity decreases, so it does the amount and velocity of movements, something typical of the disease.  

3 0
2 years ago
Through which blood vessels does oxygenated blood flow to cardiac muscle of the heart?
STatiana [176]
The pulmonary veins
4 0
3 years ago
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