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Kazeer [188]
3 years ago
6

Why do leaves appear green?

Biology
2 answers:
Zina [86]3 years ago
5 0
Leaves are green because they contain chlorophyll, an agent that reacts with sunlight and allows plants to undergo photosynthesis, the process that allows plants to make food.
Hope that helped =)
erica [24]3 years ago
4 0
The chlorophyll (a substance inside the plant) makes it green
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In some individuals, the immune system attacks substances such as grass pollen that are usually harmless, resulting in
olga nikolaevna [1]

Answer:

An allergic reaction

Explanation:

An allergic reaction occurs when our immune system misinterprets a harmless substance into a harmful antigen and initiate an over-expressed immune response against it. Some of these allergic substances are pollen, molds, insect stings, etc.

These allergens trigger the production of IgE antibodies in the body which interact with different cell and initiate the release of chemicals like histamine that cause symptoms of allergic reaction.

It can affect the nose, skin, lung, stomach lining, etc. Therefore the correct answer is an allergic reaction.

8 0
3 years ago
The adrenal medulla secretes epinephrine during sympathetic stimulation. which of the following statements describes why epineph
laila [671]
The same receptor that responds to norepinephrine also respond to epinephrine, increasing the action of both. Adrenal medulla is NOT affected by the parasympathetic division of the autonomic nervous system (ANS
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3 years ago
I Name the following: 1. It is the mechanism of inheritance of characters from the parental generation to the offspring.​
stiks02 [169]

Answer:

yes

Explanation:

even with some characteristics it can be past down with out even being around said parent mostly things like habits example: being more likely to have a addiction to anything doesn't have to be bad substances it part of ur gene make up

5 0
3 years ago
Which section of the brain is responsible for coordinating muscle movements
jarptica [38.1K]

Answer:

The cerebellum (back of the brain) and the brainstem (middle of the brain)

Explanation:

Muscle movement coordination can be<em> voluntary</em> or <em>involuntary</em>. There are different sections of the brain responsible for the two;

  • Voluntary movement of muscles is coordinated by the brainstem in addition to other functions such as sneezing, swallowing, vomitting, etc.
  • Involuntary coordination of muscles is controlled by the cerebellum in addition to maintaining posture, balance and body equilibrium.

Hence, both the cerebellum and the brainstem are responsible for coordinating muscle movement.

4 0
4 years ago
Helppppppppp! Will give
Murljashka [212]
I’m pretty sure the answers are- Oxygen and glucose
7 0
3 years ago
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