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Paha777 [63]
3 years ago
15

The first element on the periodic table of elements is carbon. A. True B. False

Chemistry
2 answers:
BabaBlast [244]3 years ago
7 0

b. False

The first element is hydrogen

ololo11 [35]3 years ago
6 0

False because Hydrogen is the first

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List of things that you’ll use in the scientific method
MrRissso [65]

Explanation:

Make an observation

ask a question

form a hyposisese

make a prediction

test the prediction

use the results to fix the prediction and hypotheses

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The organ system that allows for movement of the organism as a whole an for internal movement of food through the digestive syst
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Which of the following examples illustrates a number that is correctly rounded to three significant figures?
Naily [24]

Answer:

c. 20.0332 g to 20,0 g

Explanation:

A significant figure is each of the digits of a number that are used to express it to the required degree of accuracy, starting from the first non-zero digit, with the exception of the trailing zeros.

<em>Which of the following examples illustrates a number that is correctly rounded to three significant figures? </em>

a. 109 526 g to 109 500 g. NO. The rounded number has 4 significant figures: 109 500.

b. 0.03954 g to 0.040 g. NO. The rounded number has 2 significant figures:  0.040.

c. 20.0332 g to 20.0 g. YES. The rounded number has 3 significant figures:  20.0.

d. 04.05438 g to 4.054 g. NO. The rounded number has 4 significant figures: 4.054.

e. 103.692 g to 103.7g. NO. The rounded number has 4 significant figures: 103.7.

8 0
3 years ago
This cold river of air travels from west to east in the northern hemisphere. In winter, it dips south helping to bring cooler ai
Alex_Xolod [135]

Answer:

Polar Jet stream

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Polar Jet stream is also called the polar front jet or mid latitude jet steam, it is a very powerful belt of the upper level winds which sits above the polar front. It is the strongest wind in the tropopause, it's movement is towards the westerly direction of the mid latitude.

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What are 2 ways a mixture defers from a compound
grin007 [14]
Well a mixture is less permanent and also it can be easily taken aprt where a compound does the opposite of those things. 

Hope I helped :)
6 0
3 years ago
Read 2 more answers
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