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2 years ago

What term is represented by this picture? *

Biology

2 answers:

laiz [17]2 years ago

6 0

Answer:

atom

Explanation:

hope this helps ! :)

dolphi86 [110]2 years ago

6 0

Could it be a nucleus it’s in the middle

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Cerebrospinal fluid is produced by the

nikklg [1K]

Answer: Option A "Choroid plexus".

Explanation:

Cerebrospinal fluid can be defined as the fluid that is found in the brain and spinal cord of human beings. It is a clear and colorless fluid.

The production of cerebrospinal fluid takes place by the specialized ependymal cells that lies in the choroid plexuses which is present in the ventricles of brain.

The amount of cerebrospinal fluid in a day is 500mL. This fluid acts as cushion that protects the brain from mechanical and immunological protection.

Hence, the correction answer is option A

7 0

2 years ago

A planet has a mass of 5.97 x 1024 kg and a radius of 6.38 x 106 m. Find the weight of a 65.0 kg person at 1000 km above the sur

mote1985 [20]

<u>Answer:</u> The weight of the person above the surface of a planet is 635.83N.

<u>Explanation:</u>

To calculate the weight of a person, we use the formula:

$w=mg$ ....(1)

where,

w = weight of an object

m = mass of the person = 65kg

g = acceleration due to the gravity of the planet

For the calculation of weight, we need to first find the acceleration due to gravity and for that we use the formula:

$g=\frac{GM}{r^2}$

where, g = acceleration due to gravity = $?m/s^2$

G = Universal gravitational constant = $6.67\times 10^{-11}Nm^2/kg^2$

M = mass of the planet = $5.97\times 10^{24}kg$

r = distance of the person from the planet = $6.38\times 10^6m$

Putting values in above equation, we get:

$g=\frac{(6.67\times 10^{-11}kgm/s^2.m^2/kg^2)(5.97\times 10^{24}kg)}{(6.38\times 10^6m)^2}\\\\g=9.782m/s^2$

Putting this value in equation 1, we get:

$w=65kg\times 9.782m/s^2=635.83N$

Hence, the weight of the person above the surface of a planet is 635.83N.

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2 years ago

What percent of fresh water is in lakes, streams, and rivers

Orlov [11]

Around 3-4% is the answer.

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2 years ago

Why does oceanic litjospheresink beneath continental lithosphere at convergent boundaries

jok3333 [9.3K]

Subduction i think,when they are pushed together one subducts forming a trench.im probably not right,sorry

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3 years ago

In which layer do organisms on earth live?

timama [110]

Organisms on earth live in the Biosphere

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3 years ago