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Lostsunrise [7]
3 years ago
9

Please answer number 2

Chemistry
1 answer:
alexandr402 [8]3 years ago
8 0

Answer:

A

Explanation:

Because Rainwater can get acidic because of the carbonic acid that it contains

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Witch wave is mad up of vibrating electric and magnetic fields that can move through space at the speed of light
8_murik_8 [283]

Answer:

Hiya! Your answer would be an Electromagnetic Wave.

Explanation:

Electromagnetic Wave is an electromagnetic wave that travels through space at the speed of light at about 300,000 kilometers per second. So when we talk about light traveling in waves, we can also talk about frequency, or the number of wavelengths that pass a certain point in a given length of time. We usually measure this as the number of wavelength cycles that pass per second. The units for this measurement are Hertz (hz).

So, if the wavelength of a light wave is shorter, that means that the frequency will be higher because one cycle can pass in a shorter amount of time. This means that more cycles can pass by the set point in 1 second. Likewise, a light wave that has a longer wavelength will have a lower frequency because each cycle takes a longer time to complete.

Hope I helped and I hope you get it right! :). Have a lovely day my friend!

~Bella

3 0
3 years ago
A sample of sandstone consists of only silica (SiO2) and calcite (CaCO3). When sandstone is heated, calcium carbonate decomposes
anzhelika [568]

Answer:

0

Explanation:

To calculate, the mass of Carbondioxide is 3.45mg

Then the decomposition of Carbondioxide gives 0 on calculation

5 0
3 years ago
How does H3PO ionize in water ?
Nonamiya [84]

Answer:

H3PO4 + H2O ↔ H^{+} + H2PO4^{-}

Explanation:

HNO3 → NO2 + H2O + O2

H2SO4 → SO3 + H2O + O2

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BRAINLIEST ANSWER COME FAST CHEMISTRY PLZ HELP ME!!
mars1129 [50]

Subatomic particles include electrons, the negatively charged, almost massless particles that nevertheless account for most of the size of the atom, and they include the heavier building blocks of the small but very dense nucleus of the atom, the positively charged protons and the electrically neutral neutrons.


And I don't see any of the particles. so I can only answer the first one.




4 0
3 years ago
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What does an ecosystem's nonliving surroundings include? (Select all that apply.) sun water bacteria soil
Ghella [55]

Answer: The nonliving parts of an ecosystem are called abiotic factors. Abiotic factors include water, sunlight, oxygen, temperature, and soil.

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