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Anuta_ua [19.1K]
3 years ago
11

Compare the types of neurons that synapse in the posterior, lateral, and anterior gray horns of the spinal cord

Biology
1 answer:
Digiron [165]3 years ago
7 0
Both are easily fragile
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Carolina Bays along with cypress and gum ponds are important inland wetlands that provide habitat for a wide range of plants and
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The correct answer is the first option because it says it has partially decomposed plant matter so the fires are keeping it from becoming overgrown.
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A teacher gave the lab group shown below an “unsafe practice” warning. What is most likely the basis for the teacher’s warning?
katen-ka-za [31]

Answer:

It is "The opening of flask is pointed in an unsafe direction"

Explanation:

The students were there in the lab to perform practical without obeying the safety rules. The most  reasonable basis for teacher's warning here, in this case, is the flask which is pointed in an unsafe  direction. It is not specified whether the flask is containing any chemical or not but even if it is empty, it  might just fall and break and create injury to anyone present in the lab because, the students are also not  wearing proper laboratory wear in accordance to the safety rules which include lab coats, gloves,  eyewear, etc. Also, some Students have not tied their hair and more importantly the flasks carrying  liquids are not labeled. All of these things might end up in a critical situation for which the teacher warned  students about it all.

5 0
3 years ago
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The two members used in the construction of an aircraft fuselage are joined together using a 30° fish-mouth weld. Determine the
Leya [2.2K]

This question is incomplete because it lacks the required diagram of the fuselage. Please find attached to this answer the appropriate diagram.

Answer:

The average normal stress on the plane of each weld = 66.7 psi

The average shear stress on the plane of each weld = 115.5 psi

Explanation:

From the question, we are told that two members are joined together.

From the diagram we see 800lb.

Since there are 2 members = 800lb/2

= 400lb

a) The formula for average nor umal stress on the plane of each weld = Force (in Newton)/ Cross sectional area (in inches)

From the question, we are assuming that the horizontal force = 400lb

We are given an angle of 30°

Therefore, the resultant force in Newton = F sin θ

= 400 sin 30 = 200lb

Cross sectional area = A/sin θ

= 1 × 1.5/ sin 30

= 3 in²

The average normal stress on the plane of each weld is calculated as:

200lb/3 in²

= 66.7lb/in² or 66.7 psi

b) The average shear stress on the plane of each weld = Force (in Newton)/ Cross sectional area (in inches)

Resultant force =  F cos θ

= 400 cos 30 = 346.41016151lb

Approximately = 346.41lb

Crossectional area = 3 in²

The average normal stress on the plane of each weld is calculated as:

346.4lb/3 in²

= 115.47Ib/in²

Approximately = 115.5Ib/in²

Therefore,

The average normal stress on the plane of each weld = 66.7 psi

The average shear stress on the plane of each weld = 115.5 psi

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A biologist came across a fungus on a beach. Upon further study, he found out that the fungus could feed on dead matter. It can
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The CNS is vulnerable. There are several systems and structures in place which protect these vital tissues. How is the brain and
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Answer:

1) Skull and Vertebral column

2) Meninges

3) Cerebrospinal fluid.

Explanation:

Central Nervous system:

CNS is the abbreviation of Central Nervous system. CNS controls the whole body functions so it is the most important component of the body. CNS consist of two parts 1) Brain and 2) Spinal cord

Both of these organs are very important and hence need to be protected. Nature provided these organs with certain protective mechanisms these includes

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Skull is present around brain and vertebral column is present around spinal cord. These structure provides mechanical support to soft parts of CNS.

2) Meninges:

These are the membranes that provide antiseptic environment to the brain and hence protect it from microbes and other harmful substances.

3) Cerebrospinal fluid:

This fluid is present inside meninges which nourishes the brain and protect it from mechanical stresses.

5 0
3 years ago
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