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Karo-lina-s [1.5K]
3 years ago
5

What are some science skills you could use while studying fish in aquarium

Chemistry
1 answer:
egoroff_w [7]3 years ago
6 0
-Observation
-analysis
- test salinity
-test temperature
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An atom that has lost or gained electrons is known as an ion. Which compound below is made up of ions?
elixir [45]

Answer:

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Explanation:

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3 years ago
The green light emitted by a stoplight has a wavelength of 505 nm. What is the frequency of this photon? (c = 3.00 × 10⁸ m/s).
Kitty [74]

Answer:

5.9405*10^14 Hz

Explanation:

Remember the equation c=v*λ

v=frequency

λ=wavelength

By manipulating the equation, we can get it in terms of frequency:

c/λ=v

Now convert wavelength to meters (1nm=m*10^-9)

5.05*10^-7m (2 decimal places were shifted to make the number between 1-10, hence the -7 exponent)

Use the manipulated equation:

(3.00*10^8)/(5.05*10^-7), which yields:

5.9405*10^14 Hz (or s^-1)

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I believe it’s B. At least thats what makes sense for me.
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malfutka [58]
Conduction is the answer
8 0
4 years ago
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A removal of the predator populations from an ecosystem would most likely result in
7nadin3 [17]

Answer:

The increase of prey

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Without predators in the ecosysten prey population would increase

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