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Butoxors [25]
3 years ago
13

Where does chemosynthesis occur?​

Biology
1 answer:
WARRIOR [948]3 years ago
7 0

Answer:

around hydrothermal vents and methane seeps in the deep sea where sunlight is absent.

Explanation:

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Explain the role of valence electrons and how they relate to the periodic table of elements?
myrzilka [38]

Explanation:

The valence electrons determine the group the elements belong in the periodic table. For example, the element sodium, Na, has a valence electron of one and so it belongs to Group 1 in the periodic table. Another example is Aluminium, Al, which has a valence electron of three and therefore it belongs to Group 3 in the periodic table.

4 0
3 years ago
What is a non renewable resource
kramer
Coal or oil are two of non renewable resources (:
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3 years ago
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Match each of the following descriptions with the correct brain structure(s). Drag the terms on the left to the appropriate blan
Shtirlitz [24]

Answer:

a. midbrain

b. thalamus; hypothalamus, epithalamus

c. cerebral aqueduct

d. medulla oblongata

e. choroid plexus

f. pons; medulla oblongata; midbrain

g. hypothalamus

h. cerebrum

i. epithalamus

j. cerebrum

k. cerebellum

Explanation:

The brainstem is the posterior part of the brain that connects the cerebrum with the spinal cord. The brainstem can be divided into three parts: midbrain (i.e., mesencephalon), the pons (i.e., metencephalon), and the medulla oblongata (i.e., myelencephalon). The mesencephalon is a region of the brain composed of the tectum and tegmentum, which play fundamental roles in motor movement, auditory and visual processing. The corpora quadrigemina is found at the tectum region of the midbrain. The diencephalon is a small part of the brain located above the brainstem (between cerebral hemispheres); which contains the thalamus, hypothalamus, subthalamus, and epithalamus. In turn, the epithalamus is composed of the habenular nuclei, pineal gland, and the stria medullaris thalami. The cerebral aqueduct is a narrow channel (approx. 15 mm) in which the cerebrospinal fluid flows between the third ventricle and the fourth ventricle. The medulla oblongata is a long stem-like structure located in the brainstem of the brain, just in the place where the brainstem connects the brain to the spinal cord. The choroid plexus is a complex network of capillaries located at the cerebral ventricles of the brain, which serve to produce cerebrospinal fluid through ependymal cells that line the ventricles of the brain. The cerebellum is a major structure of the hindbrain and consists of the cerebellar cortex and a core of white matter having the cerebellar nuclei.

4 0
3 years ago
Which organ is responsible for storing urine? A. kidney B. bladder C. large intestine D. anus
Leona [35]
B , bladder ....
Hope this helps!
7 0
3 years ago
How come one type of matter can be converted to a totally different type
MissTica

Answer:

the type of matter probably turned into a whole different chemical thing

Explanation:

6 0
3 years ago
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