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madam [21]
3 years ago
10

Why did scientist reject Lamarck's idea of evolution?

Physics
1 answer:
laila [671]3 years ago
3 0

Explanation:

Lamarck's theory of evolution, also called as theory of inheritance of acquired traits was rejected because he suggested that the acquired characteristics which an organisms acquires through its life experiences are transferred to its next generation, which is not possible since acquired characters does not bring any change to an individuals set of genes.

Answer: Traits acquired during a lifetime are not passed through offspring. (C.)

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A roulette wheel with a 1.0m radius reaches a maximum angular speed of 18 rad/s before it stops 35 revolutions ( 220 rad ) after
Alex17521 [72]
Max ang. speed(u) = 18 rad/s
final ang. speed(v) = 0
ang. displacement(s) = 220 rad

ang. acceleration = (v^2 - u^2)/2s = -18^2 / 2*220 = -0.7364 rad/s^2

v = u +at
0 = 18 - 0.7364t
t = 18/0.7364
t = 24.44 seconds
4 0
3 years ago
Which of the following phrases defines the angle of refraction?
Sophie [7]
<h2>Answer:The angle between the refracted ray and the normal.</h2>

Explanation:

Refraction is defined as the phenomenon of bending or changing course of a light ray when it passes from one medium to another medium.

The new ray formed after the bending at the surface of new medium is called the refracted ray.

The angle between the refracted ray and the normal of the point on the surface of the new medium where the ray enters is called angle of refraction.

Refer the attachment for instance.

In short,it is the angle between the refracted ray and the normal.

4 0
4 years ago
What is the importance of natural resources ?write 5 points ​
Whitepunk [10]
<h2>Hey there! </h2>

<h2>Natural Resource:</h2>

  • The resources, for example, sunshine, air, water, soil, plants, animals, minerals, rivers etc. which after natural formation remain distributed on the earth, are known as natural resource.
  • The natural resources are found in solid, liquid or gaseous states, and in metallic or non metallic form.

<h2>Hope it help you </h2>
5 0
3 years ago
70 POINTS!!!! PLZ ANSWER!!!!! The Newton-Clark moraine is located on the volcano Mount Hood. It contains approximately 950 milli
Strike441 [17]
A jumble of relatively young volcanic debris, some of it located where it fell in Mount Hood’s eruptive past, some of it moved here by the colossal advance of the Newton Clark Glacier during the last ice age.
Newton Clark Moraine
As a result, the rocks making up the moraine are sharp and raw, not rounded, and the debris is largely unsorted. Giant boulders perch precariously atop loose rubble, making the moraine one of the most unstable places on the mountain.
8 0
4 years ago
Read 2 more answers
A huge (essentially infinite) horizontal nonconducting sheet 10.0 cm thick has charge uniformly spread over both faces. The uppe
TiliK225 [7]

Answer:

E = 6.77 *10^{3} N/C

Explanation:

THE GIVEN sheet can be taken as two horizontal force  with surface charge density is

at one surface is ∈_1 = 95*10^ {-9} C/mm2

at oher surface is ∈_2= -25*10^{-9} C/mm2

the magnitude of electric field due to surface charge is given as\frac{∈}{2∈_O}

So, electric field at P (2 CM below from surface is) = E_1 +E_2

E = \frac{∈_1}{2∈_O} +\frac{∈_2}{2∈_O}

E = \frac{95*10^{-9} +25*10^{-9}}{2*8.85*10^{-12}}

E = 6.77 *10^{3} N/C

8 0
4 years ago
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