CHEMISTRY MIDDLE SCHOOL

What does the author list in the passage?a
scientists who study electromagnetic radiation
b
different types of electromagnetic spectrums
c
different types of electromagnetic radiation
d
the differences between radio waves and microwave

Answers

Answer 1
Answer:

Answer:

B --> Different types of electromagnetic radiation

Explanation:

Science tells us that light is the reason we are able to see objects. Without light, we wouldn't be able to ... The electromagnetic spectrum is the range of all types of electromagnetic ... C x-rays. D light.
Answer 2
Answer:

Answer:

b i think

Explanation:

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When are tides highest? a. during the moon’s first quarter phase b. when the sun, Earth, and the moon are nearly in a line c. during the moon’s third quarter phase d. when the moon is at a right angle to the sun

Answers

Answer:

The correct answer is option b, that is, when the Sun, Earth, and the moon are nearly in a line.

Explanation:

The low and high tides are caused by the moon. The gravitational force of the moon produces something known as the tidal force. This force makes the Earth and its water to bulge out on the side nearest to the moon and the side far away from the moon. These bulges of water are considered as high tides.  

Similarly to the moon, the Sun also causes tides, but, they are smaller in comparison. However, when the Earth, moon, and the Sun line up, that is, which takes place during the new moon or the full moon, the solar and lunar tides reinforce each other, resulting in more extreme tides, known as spring tides. The spring tides are considered as the highest tides.  
The answer is B. when the sun,earth, and the moon are nearly in a line

What are orbitals?A. Energy levels occupied by neutrons
B. Areas within an energy level that are occupied by electrons
C. Regions of the atom that contain protons
D. Circular paths around the nucleus

Answers

Answer:

B. Areas within an energy level that are occupied by electrons

Explanation:

Its not A because there are different orbitals on each energy level.

Answer:

B

Explanation:

I need somebody to help me with my homework pls i dont get it .

Answers

26. B
27. D
28. C
Hope this helped ☺️

You can put out a chip pan fire by putting a damp cloth over the pan. Explain why this works.

Answers

Placing a damp towel on the chip pan fire will stop the oxygen from getting to flames, so the fire will smother out.

What is the correct classification of a mixture in which both a solid and a liquid are visible?A.a homogeneous mixture and a solution
B.a homogeneous mixture and a suspension
C.a heterogeneous mixture and a solution
D.a heterogeneous mixture and a suspension

Answers

Answer is: D.a heterogeneous mixture and a suspension.

Suspension is a heterogeneous mixture (solute particles do not dissolve), that contains solid particles (for example nickel sulfide or NiS) sufficiently large for sedimentation.  

The internal phase (solid nickel sulfide) is dispersed throughout the external phase (water).

Another example of a suspension is sand in water.  
It would be D.a heterogeneous mixture and a suspension hope this helps

the first astronauts to travel to distant stars might use what to get up to light speed instead of engines

Answers

they would use light to get to light speed
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