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vodomira [7]
3 years ago
15

What is the electromagnetic spectrum? Where does it come from?

Biology
1 answer:
Ganezh [65]3 years ago
4 0

Answer:

The electromagnetic (EM) spectrum is the range of all types of EM radiation. Radiation is energy that travels and spreads out as it goes.the visible light that comes from a lamp in your house and the radio waves that come from a radio station are two types of electromagnetic radiation.

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A valid scientific investigation must be able to be
san4es73 [151]
Answer: in order for a scientific investigation to be valid A hypothesis must be tested throughout a Scientific investigation that can gather evidence and support it.

Explanation: in any scientific investigation you have to have a testable hypothesis, without your hypothesis it’s not really a scientific investigation.


Hope this helped!
7 0
2 years ago
I don’t understand I don’t under math smh bio
stellarik [79]
What? I don’t know what ur saying no offense
7 0
2 years ago
Explain how living in a group, like these lions, increases the fitness of a<br> species.
AysviL [449]

Explanation: Rivalry

There is safety in numbers, and with that, they can run together more often without the fear of being attacked, and must push themselves to match others, therefor getting fit

8 0
2 years ago
Do you think the wings of a Galapagos cormorant are vestigial structures?
Inga [223]

Answer:

The Galapagos cormorant has vestigial wings that don't help it to fly or swim, though the birds still dry them off in the sun after they get wet, just as if they would if they still could use them to fly. This species diverged into a flightless bird about 2 million years ago.

Explanation:

3 0
2 years ago
How many half-lives occur in 4 hours?<br> A. 1<br> B. 2<br> C. 3 <br> D. 4
Solnce55 [7]
I believe the answer is C
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