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Setler [38]
3 years ago
7

What do we call factors that control traits

Physics
1 answer:
True [87]3 years ago
8 0
The factors that control traits are the alleles. They are determined by two chromosomes which is obtained from the parents. For instance, you are able to roll your tongue, you have two chromosomes one for being able to roll and the other for not being able but since you have that ability you get the allele of being able to roll out your tongue.
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Does sand stay sand forever?
Gemiola [76]

Answer:

No sand doesn't stay sand forever.

Explanation:

  • We may have a thought that the sand we see on the beach areas are always the same one for eternal, but it is not true.
  • Due to different activities like beach nourishment, sand replenishment etc. the sand in the beach areas are changed and replaced.
  • If the sand remained there for long time, it also affects the sand eating organisms and plants.
3 0
3 years ago
4. It's important to know that science is:
Georgia [21]

Answer:

<h2>What are we supposed to write about</h2>

Explanation:

3 0
3 years ago
Read 2 more answers
A 1.5kg cannon is loaded with a 0.52 kg ball . The cannon is ignited and launches the ball forward with speed of 75m/s. Determin
Mila [183]

Answer:

-26 m/s (backward)

Explanation:

We can solve this problem by using the law of conservation of momentum.

In fact, the total momentum momentum of the cannon + ball system must be conserved before and after the explosion.

Before the explosion, they are both at rest, so the total momentum is zero:

p = 0

After the explosion, the total momentum is:

p=MV+mv

where

M = 1.5 kg is the mass of the cannon

m = 0.52 kg is the mass of the ball

v = +75 m/s is the velocity of the ball

V is the velocity of the cannon

Since the momentum is conserved, we can equate the two expressions:

0=MV+mv

And solving, we find V:

V=-\frac{mv}{M}=-\frac{(0.52)(+75)}{1.5}=-26 m/s

where the negative sign means the direction is opposite to that of the ball.

4 0
3 years ago
Which of the following best describes the association
exis [7]
Strong positive,

as high temperature increases, precipitation increases, so it’s positive.

And since the points are very close together, there is a strong correlation between the two variables, so it is strong.


Don’t forget to mark brainliest please
3 0
2 years ago
How fast and in what direction must galaxy A be moving 17 an absorption Line found at 500 nm for a stationary galaxy 1s shifted
emmainna [20.7K]

Answer:

v = 0.22 c and wavelength is decrease so galaxy A is move away from stationary galaxy

v = 0.095 c and wavelength is increase so galaxy B come toward stationary galaxy

Explanation:

Given data

found = 500 nm

shifted A = 400 nm

shifted B = 550 nm

to find out

How fast and in what direction is galaxy

solution

we use here formula  that is

(λ) shifted = √(1-β / 1+β)  (λ)found

1-β / 1+β =  (4/5)²         ..................1

1-β / 1+β =  16 / 25

β = 0.22

v/c = 0.22

v = 0.22 c

here wavelength is decrease so galaxy A is move away from stationary galaxy

and

here according to equation 1

and we use shifted 550 nm

so

1-β / 1+β =  (5.5/5)²

1-β / 1+β =  30.25 / 25

β = 0.095

so  v/c = 0.095

v = 0.095 c

here wavelength is increase so galaxy B come toward stationary galaxy

3 0
3 years ago
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