3 years ago

I NEED HELP IN THIS ONEEE

Biology

1 answer:

Wittaler [7]3 years ago

7 0

Answer is - C. Capability to consume prey of variable size !! - hope that helps

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A communications satellite transmits a radio wave at a frequency of 9.4 x 10^9 Hz. What is the signal’s wavelength? Assume the w

sergejj [24]

To calculate this we will use the light equation:
$c=$ λ $*f$

We have Frequency $f=9.4* 10^{9}Hz$ .
We know that speed of light in vacuum is $c =3.8* 10^{8} m/s$ .
Since a unit of speed of light is m/s, we can change the unit of frequency Hz to 1/s, since Hz means cycles per second (f=1/T).

So:
$f=9.4* 10^{9}1/s$
 $c =3.8* 10^{8} m/s$

 $c=$ λ $*f$
⇒ λ $= \frac{c}{f}$
⇒ λ $= \frac{3.8* 10^{8}}{9.4* 10^{9}}$
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Which gas in Earth's atmosphere helps living things make proteins?

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The answer is Nitrogen

Which is B

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3 years ago

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Question 1 (5 points)

motikmotik

B) The water molecules remain together. The salt molecules break apart.

Step-by-step explanation:

When the salt is being place upon the water, the sodium in salt becomes attracted to the water molecules. Both H20(water) & NaCI (salt) start to become drawn, during this reaction. This causes water to remain together, while the salt is broken apart and dissolves. Hope this helps!

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In terms of gender differences in mental ability, research indicates that

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There is no difference in mental abilities between genders

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How much of our total body weight is water? 30-50 percent 40-60 percent 50-70 percent 60-80 percent?

laila [671]

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