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Ede4ka [16]
3 years ago
6

Written accounts, objects, and buildings are examples of the types of evidence that historians and archaeologists study to expla

in the past.
A.
True

B.
False
Physics
2 answers:
Lady_Fox [76]3 years ago
6 0
     Your answer would be true. Because if we didn't have those pieces of evidence, we wouldn't know about a lot of the ancient civilizations that we know today without that. Small pieces of evidence like that can help us to determine how they lived, or what they used to do, or even what they ate.
myrzilka [38]3 years ago
5 0

Is True

They both try to explain how the past happend and why we are the way we are today.

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Lori wants to send a box of oranges to a friend by mail. The box of oranges cannot exceed a mass of 10.222 Kg. If each orange ha
Sergeu [11.5K]

Explanation:

Given that,

The box of oranges cannot exceed a mass of 10.222 Kg if we are sending to a friend by mail.

The mass of each orange is 198 g

We know that,

1 kg = 1000 g

10.222 kg = 10.222×1000 g

Let there are n number of oranges. So,

n=\dfrac{10.222\times 1000\ g}{198\ g}\\\\n=51.92\approx 52\ \text{oranges}

It means she can send 52 oranges and it is maximum quantity.

4 0
4 years ago
Identify the labeled parts in the figure.
ad-work [718]

Answer:

Chemical symbols Al, O, H, O or a,c,f,h.

Coefficient 2  or e.

Number of atoms of the element - b,d ,g.

One atom of the element - i.

5 0
4 years ago
What will be the effect on the loudness of sound if the amptitude is doubled and halved?
kap26 [50]
<em>remember that
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</u>
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4 0
4 years ago
A wildlife photographer uses a moderate telephoto lens of focal length 135 mm and maximum aperture f/4.00 to photograph a bear t
labwork [276]

Answer:

<h3>(A) The width x = 0.24 \times 10^{-3} m</h3><h3>(B) The new width is 1.32 \times 10^{-3} m</h3>

Explanation:

Given :

Focal length f =   135 \times 10^{-3}  m

Maximum aperture D = \frac{f}{4}

Wavelength \lambda = 550 \times 10^{-9} m

(A)

From rayleigh criterion,

  \theta = \frac{1.22 \lambda }{D}

  \theta =\frac{ 1.22 \times 550 \times 10^{-9}  }{33.75 \times 10^{-3} }

  \theta = 1.98 \times 10^{-5} rad

From angle formula,

  x = R\theta

Where R = 12 m ( given in example )

x = 12 \times 1.98 \times 10^{-5} m

x = 23.76 \times 10^{-5}

x = 0.24 \times 10^{-3} m

(B)

We know that \theta is proportional to the x and inversely proportional to the D

so we write the new width, here x is 5.5 times larger than above case

   x = 0.24 \times  10^{-3}  \times \frac{22}{4}

   x = 1.32 \times 10^{-3} m

6 0
3 years ago
How does she explain the activity of uranium when amounts of this element are changed? how does she describe the activity of ura
kifflom [539]

Answer:

What to include in the answer:

Results from edg 2022

Explanation:

Did you include this in your answer?

Chemical compounds are active in direct proportion to the amount of uranium in them.

Activity is not destroyed by physical changes of state or chemical transformations.

Radioactivity is an atomic property of matter.

8 0
2 years ago
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