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Effectus [21]
3 years ago
10

SCIENCE

Physics
1 answer:
Luden [163]3 years ago
8 0

Answer:

I believe A would be the best answer

Explanation:

Cell transport means things entering and leaving the cell, this would be controlled by the cell membrane

Waste excretion is controlled by the vacuole

Energy production is the mitochondria (the mitochondria is the power house of the cell)

Life functions include cellular reproduction and the nucleus contains the genetic information to do this

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A strontium vapor laser beam is reflected from the surface of a CD onto a wall. The brightest spot is the reflected beam at an a
sladkih [1.3K]

Answer:

d=1.29*10^{-6}m

Explanation:

From the question we are told that:

Distance of wall from CD D=1.4

Second bright fringe y_2= 0.803 m

Let

Strontium vapor laser has a wavelength \lambda= 431 nm=>431 *10^{-9}m

Generally the equation for Interference is mathematically given by

y=frac{n*\lambda*D}{d}

Where

d=\frac{n*\lambda*D}{y}

d=\frac{2*431 *10^{-9}m*1.4}{0.803}

d=1.29*10^{-6}m

8 0
2 years ago
When you go for a walk which of the following forces is paired with the force of friction on your shoe
Ann [662]

Answer:

static

Explanation:

static friction pushes in the direction you are walking.

7 0
3 years ago
Crude oil coal and peat are examples of fossil fuels name another one<br><br>​
Nikolay [14]

Answer:

petroleum and Natural gas are fossil fuels

Explanation:

3 0
3 years ago
Which theory of the origin of the moon would be most supported if the moon had an irregular shape, like an asteroid? impact theo
Fiesta28 [93]
<span>Its the impact theory.
It suggests that the moon resulted from the collision of two protoplanets, or embryonic worlds. One of those was the just-forming Earth, and the other was a Mars-size object called Theia. The moon then coalesced from the debris, thus giving it its irregular shape.</span>
3 0
3 years ago
Read 2 more answers
Ions can have a positive or negative charge. Please select the best answer from the choices provided T F
mixas84 [53]

From among the choices provided, the more appropriate
answer is ' T ', the initial letter often used to represent
words that include 'true', 'truth', 'trust', etc., (as well as
'tree', 'train', 'transmit', 'Transylvania', 'trachea', 'travesty',
and 'trick', which are irrelevant to the present discussion).

This response is the most fitting and appropriate, because
the statement that precedes the list of allowable choices is
exemplary in its accuracy and veracity.  An ion can, in fact,
have a positive or negative charge, although the same ion
cannot have both.

5 0
3 years ago
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