Why did some alpha particles bounce off the gold foil?
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Answer 1
Answer:
Because alpha particles are positive charged. And they bounce back because of the electromagnetic force between them and the gold foils protons.
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Why might approaching an octopus cause a crab to start scurrying
A narrow region between two air masses of different densities is a
Jenny got a balloon at a party. When she squeezes the balloon, she can squish the air inside it and change the shape of the balloon. Which of the following is/are true about the change that happens when Jenny squishes the balloon? I. It is a physical change. II. It makes a new substance. III. It is a chemical change.
Which of the following are early clues that signal an earthquake may occur? Select all that apply. Changes in magnetic properties of rock Movement of magma Decrease in well water levels Increase in sulfur dioxide and carbon dioxide ground emissions Increases in radon gas in groundwater Foreshocks
Water Cycle: As _________ get too heavy to hold the liquid, the liquid droplets fall back to Earth.
A narrow region between two air masses of different densities is a
Jenny got a balloon at a party. When she squeezes the balloon, she can squish the air inside it and change the shape of the balloon. Which of the following is/are true about the change that happens when Jenny squishes the balloon? I. It is a physical change. II. It makes a new substance. III. It is a chemical change.
Which of the following are early clues that signal an earthquake may occur? Select all that apply. Changes in magnetic properties of rock Movement of magma Decrease in well water levels Increase in sulfur dioxide and carbon dioxide ground emissions Increases in radon gas in groundwater Foreshocks
Water Cycle: As _________ get too heavy to hold the liquid, the liquid droplets fall back to Earth.
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Answer:
a force that is able to act at a distance
Explanation:
:)
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nuclear energy because it holds atoms together.
Atomic Energy or Nuclear Energy
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plant cells have a cell wall.
Plant cells are the only ones with a cell wall.
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Hi There!
Biotic factors are all the living things in an ecosystem, and abiotic factors are all of the non-living things in an ecosystem. So, they differ because they both mean opposite things.
Hope This Helps :)
Biotic factors are all the living things in an ecosystem, and abiotic factors are all of the non-living things in an ecosystem. So, they differ because they both mean opposite things.
Hope This Helps :)
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Light doesn't bend as it passes through a (homogeneous) medium. It only bends at the spot where it crosses a boundary between one medium and another one. The amount of bend depends on what BOTH of them are, and you haven't told us ANY of them.
The question can't really be answered, you didn't give any information as to which three medians it was passing through. If you still need help, message me and I'd be happy to help.
A. softer
B. louder
C. lower-pitched
D. higher-pitched
Answers
Amplitude ==> loudness (B)
Pitch ==> frequency
Pitch ==> frequency
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