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faltersainse [42]
3 years ago
13

Which of the following correctly describes the state of matter of one of the samples? D is a liquid because it retains its shape

. D is a solid because it retains its shape. C is a liquid because it has a definite volume. C is a solid because it has an indefinite volume.\
Chemistry
1 answer:
Brut [27]3 years ago
7 0
D is a solid because it retains its shape
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The radioactivity of U-235 is of low intensity. Why then were the people of Hiroshima exposed to high intensity radiation in the
Marina86 [1]

Answer:

Explanation:

What occurred then is as a result of nuclear fission. This occurs as the Uranium-235 split into two smaller nuclei while releasing high energy neutrons. These neutrons bombard existing U-235 in the atmosphere and this reaction continue in a spontaneous manner until a chain reaction is formed of U-235, whose fall out fills the environment. This process was what led to people been exposed to high intensity radiation in the days and months after the atomic bomb was dropped.

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O<br> Plz answer this plz plz plz
saul85 [17]

Answer:

Q1. C

Q2 and Q3 are correct.

Explanation:

Since F=ma, and the force is a constant,

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Let's check:

A) F=ma

a=F/m

a= F/68

B) a=F/72

C) a= F/64 (✓)

The smaller the denominator, the larger the value of a.

(Think: 1/2 >1/3)

3 0
3 years ago
Several billion years ago, which gas was the least prevalent in the atmosphere?
Amiraneli [1.4K]
The least prevalent gas in the atmosphere was oxygen several billion years ago. This is because it was only around 2.4-3 billion years ago when the first photosynthetic bacteria evolved, meaning they produce food from inorganic compounds such as carbon dioxide and water to produce glucose and oxygen. Oxygen is then released in the atmosphere and this is called <em>The Great Oxygenation Event</em>. 
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3 years ago
The actions described in the passage are best understood in the context of which of the following?
soldi70 [24.7K]
C
I have had this question on a test before!! Hope this helps
6 0
3 years ago
A roller coaster is accelerating at 10m/s² before it comes to an abrupt stop at the end of the ride. The mass of the roller coas
alexgriva [62]

Answer:

<h2>9000 N</h2>

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 900 × 10

We have the final answer as

<h3>9000 N</h3>

Hope this helps you

8 0
3 years ago
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