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sergiy2304 [10]
3 years ago
14

Where do flowers come from? They are made through the process of sexual reproduction. Flowers may look simple, but there are act

ually several parts that allow it to reproduce. Let's take a closer look. Glad my mom didnt make me read this out loud- THIS WAS IN MY FREAKING SCHOOL WORK IM NOT LYING LIKE LOL

Chemistry
2 answers:
Solnce55 [7]3 years ago
7 0
OMG AHHAHA I LAUGHED SO HARD LMFAIAISJJ
Licemer1 [7]3 years ago
4 0

Answer:

They're sexual reproduction

Explanation:

A flower throws seed at another flower

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sergey [27]

Their positive charge is located in a small region that is called the nucleus.

Explanation:

Ernest Rutherford in his gold foil experiment was able to demonstrate that the nucleus is made up of positive charges which occupies a small and tiny nucleus.

Rutherford bombarded a thin gold foil with alpha particles from a radioactive source.

  1. He observed that all the particles passed through but a small portion was deflected back.
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learn more:

Ernest Rutherford brainly.com/question/1859083

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When it is summer in the Northern Hemisphere, it is winter in the Southern Hemisphere. It could be A I’m not sure if this helps.
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What point does the ammonium ions act as a buffer solution? Please this is driving me insane.
Shalnov [3]

Answer:

Explanation:The buffer is a mixture of ammonia (NH3) and ammonium (NH4+). ... Since ammonia (NH3) is a weak base, it will have a pH above 7 and since ammonium (NH4+) is a weak acid, it will have a pH below 7. Ammonia (NH3) is a weak base and ammonium (NH4+) is a weak acid. Ammonia (NH3) is the conjugate base of ammonium (NH4+).

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(b) Ozone absorbs radiation of wavelengths 2200–2900 Å, thus protecting organisms from this radiation. Find the frequency and en
GrogVix [38]

The frequency and energy of most energetic of these photons is1.36*10^{15} Hz and 9.04*10^{-19} J respectively.

The high energy photons will have least wavelength. Taking the given less wavelength for calculation of frequency and energy of photons.

λ = 2200  Å

Also, we know, 1 Å = 10^{-10} m

So, λ = 2200*10^{-10}

λ = 2.2*10^{-7}<em> </em>m

Now, calculating frequency using the formula -

c = fλ, where c is speed of light, f is frequency and λ is wavelength.

We know, c = 3*10^{8} m/s

f = c/λ

f = \frac{3*10^{8} }{2.2*10^{-7} }

frequency = 1.36*10^{15} Hz

Now, calculating Energy through the formula -

E = hf, where E is energy, h is planck's constant and f is frequency

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E = 6.63*10^{-34}*1.36*10^{15}

Energy = 9.04*10^{-19} J

Thus, frequency and energy of photons is 1.36*10^{15} Hz and 9.04*10^{-19} J respectively.

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Is water an insulator or conducter of electricity​
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Conductor

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