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3 years ago

Which of the following adaptations best protects birds from bird catchers?

Physics

2 answers:

andrew-mc [135]3 years ago

5 0

Wings to fly. Without flying, birds would be near defenseless.

Elanso [62]3 years ago

4 0

Well all of these answer choice technically could be correct, (Depending on the circumstances) but the most logical answer is wings to fly. without wings to fly how would they escape a dangerous situation? but lets just say what if the bird couldn't fly? the most logical answer would be dark colors because the bird has the ability to conceal itself from predators because of the dark colors. like I said before, all of these answer choice would technically be correct but the correct answer is D) WINGS TO FLY!!!!!!

Hope I was able to help,~kashout kam

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Why do planets rings surround them and not the sun

Shalnov [3]

Well, the rings surrounding a planet are made out of rock. A ring surrounding the sun would be impossible since the sun can reach more than 27 million degrees Fahrenheit (15 million degrees Celsius.)

Hope this helped.

7 0

3 years ago

A reaction mixture in a 3.67 L flask at a certain temperature initially contains 0.763 g H2 and 96.9 g I2, At equilibrium, the f

Alexxandr [17]

Answer:

13 530 482

Explanation:

H2 + I2 ------> 2HI

start (mol) 0.3785 0.3818 0

change (mol) -0.3534 -0.3534 +0.7067

equilibrium (mol) 0.0251 0.0284 0.7067

concentra (mol/L) 0.0068 0.0077 0.1926

$K_{c} = \frac{0.1926^{2}}{0.0068^{2}*0.0077^{2} } = 13530482$

7 0

3 years ago

1 Point

Margarita [4]

Answer: C

Combustion

Explanation:

Oxygen support combustion in a chemical reaction. Oxygen support burning.

In the absence of oxygen, combustion reaction can never take place. And when the supply of oxygen is being cut off, combustion reaction will automatically stop.

The correct option is C which is combustion

7 0

3 years ago

Greenhouse gases are essential to support life on earth.

Kryger [21]

Answer:

True we need greenhouses for carbon dioxide

3 0

3 years ago

Read 2 more answers

Determine the frequency of the 2nd harmonic of a spring that has a 3rd harmonic resonance of f3=512 Hz.

Elena L [17]

Answer:

1) 341 Hz

Explanation:

When a string vibrates, it can vibrate with different frequencies, corresponding to different modes of oscillations.

The fundamental frequency is the lowest possible frequency at which the string can vibrate: this occurs when the string oscillate in one segment only.

If the string oscillates in n segments, we say that it is the n-th mode of vibration, or n-th harmonic.

The frequency of the n-th harmonic is given by

$f_n = nf_1$