CHEMISTRY MIDDLE SCHOOL

Sodium inside a star is most likely formed by which process?fusion


beta emission


alpha emission


fission

Answers

Answer 1
Answer:

Answer: A: fusion

Ex:

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According to the following position vs. Time graph the bicyclist wasA) moving at a constant speed for the first 2 seconds, then began to speed.B) not moving for the first 2 seconds, then begin moving and continue to gain speed.C) slowing down for the first two seconds, then begin moving at a constant speed.D) not moving for the first two seconds, then begin moving at the constant speed.​
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Where do glaciers come from

Answers

Answer:GLACIERS  ARE MADE UP OF  FALLEN SNOW OVER MILLION YEARS, IN MOST OF POLAR REGIONS  IT TURNS TO ICE AND WILL FLOW DOWNWARDS AND OUTWARDS UNDER ITS OWN PRESSURE

AND THE LARGEST GLACIER IN THE WORLD IS 60 MILES WIDE AND AROUND  270 MILES LONG.

IT COVERS 10% OF EARTH'S TOTAL LAND

Explanation:

What happens to metal railroad tracks during the heat of a summer day?

Answers

They expand and that is why there are small gaps
The rails expand during the heat of a summer day

Given the reaction below, which is the reduced substance?Mg + Cl2 Right arrow. Mg2+ + 2Cl-
2CI-
CI2
Mg
Mg2+

Answers

Cl2 is the reduced substance

Multiply 3.2 mm times 5 mm and express the answer to the correct number of significant figures.​

Answers

Answer:

\large \boxed{\text{ 20 mm}^(2)}

Explanation:

In multiplication  and division problems, your answer can have no more significant figures than the number with the fewest significant figures.

\text{3.2 mm} * \text{5 mm} = \text{16 mm}^(2)

There are two significant figures in 3.2 and one in 5.

\text{You must round to one significant figure and report the answer as $\large \boxed{\textbf{ 20 mm}^{\mathbf{2}}}$}

Due to food scarcity in ancient times people had to spend

Answers

The answer is A as they had to spend time growing or looking for food as food was scarce back then.

Answer:

growing food  and selling items

Explanation:

Do lemonade dissolve in sand

Answers

the answer is no... :)
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Need help please i need a good grade will give more points if correctly answered
The following reaction shows the process of rusting. 4Fe + 3O2 2Fe2O3 This chemical reaction should be classified as _____.