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Katyanochek1 [597]
4 years ago
5

The diagram below shows four objects in the solar system which have equal

Geography
1 answer:
True [87]4 years ago
3 0

Answer:

Object 4 and Object 2

Explanation:

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Effective charts and graphs include all of the following except _____.
Musya8 [376]

Answer:

Option (C)

Explanation:

Charts and graphs are the most common features that are used in order to show and highlight data in a preferred and simple way. It helps in a clear understanding of any topic, as the charts are comprised of figures and graphs show the relationship between two things. It provides accurate and valuable information. These are also considered to be a simple, meaningful and attractive design and are widely used during the presentation of any topic.

These graphs and charts are made using different colors, and the number of colors are not fixed. It has a wide range of colors.

Thus, the correct answer is option (C).

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3 years ago
Can air pollution be controlled in the next five years?
Elena-2011 [213]

Answer:yes

Explanation: cuz we’ve got super Boris Johnson

6 0
3 years ago
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A 30-foot ladder is leaning against a wall. The foot of the ladder is 20 feet
madam [21]

Answer: it reaches 50 feet :)

Explanation:

30+20=50

8 0
3 years ago
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Which of the following terms best reflects conditions in Europe after 1815?
Mazyrski [523]
It would be c. Rebellion
3 0
3 years ago
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A radioactive element has a half-life of 1,000 years. If a sample of this element begins with a mass of 20 grams, how long would
Fynjy0 [20]

A radioactive element with a half-life of 1,000 years, and starting mass of 20 grams, will need 2,000 years to decrease to 5 grams.

Explanation:

The radioactive elements all have a specific half-life. Each element's half-life is well known, and they are used by scientists of numerous fields as they are excellent for determining the age of a particular item, be it or organic or non-organic nature. In this case, we have a radioactive element with a half-life of 1,000 years, and starting mass of 20 grams.

The half-life basically means that half of the mass of an element is lost during a particular period of time. For the element in question we need to find out how much time will be needed for it to decrease to 5 grams. In order to get to the result, we just need to add 1,000 years on every decrease of half of the mass:

20/2 = 10

10/2 = 5

So in 1,000 years, the element in question will decrease to 10 grams, and in further 1,000 years (2,000 cumulatively) it will decrease to 5 grams.

Learn more about radioactive decay brainly.com/question/9796067

#learnwithBrainly

7 0
4 years ago
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