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Ivanshal [37]
3 years ago
8

The phrase "Most ecosystems are solar powered" refers to the fact that most organisms seek sunlight. solar energy is converted t

o chemical energy by photosynthesis. the sun shines on most ecosystems on earth energy in sunlight is turned into (becomes) sugars.1. True2. False
Chemistry
1 answer:
Savatey [412]3 years ago
5 0

Answer:

The solar energy is converted to chemical energy by the process of photosynthesis - This is the true statement of the given question.

Explanation:

An ecosystem usually refers to the biological community comprising all the types of living species that are continuously interacting with the surrounding environment. Most of these ecosystems are solar-powered, and by this phrase, it means that there occurs the transformation of energy from solar to chemical energy which is taking place due to the process of photosynthesis. Both the terrestrial and the aquatic, are able to carry out this process in the presence of sunlight, water, and CO₂, and in return, it liberates food and oxygen into the ecosystem.

Thus, this statement satisfies the given phrase.

All other options are false as it does not justify the phrase.

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How electron infinity depends upon nuclear force of attraction​
almond37 [142]

Answer:

There are two factors that can affect electron affinity. These are atomic size and nuclear charge. ... The smaller the atom is, the closer the outermost shell is; therefore, it is a stronger attraction between the nucleus and the incoming electron. That means the electron affinity is higher for smaller atoms.

Explanation:

mark me as the brainliest

7 0
3 years ago
Explain how the processes in the water cycle work together to maintain a constant amount of water on Earth.
love history [14]

Answer:

El ciclo hidrológico comienza con la evaporación del agua desde la superficie. A medida que se eleva, el aire humedecido se enfría y el vapor se transforma en agua: es la condensación. Las gotas se juntan y forman una nube. Luego caen por su propio peso: es la precipitación

Explanation:

7 0
3 years ago
If one gram of sulphur dioxide contains x molecules what will be the number of molecules in 1g of methane
evablogger [386]

The ratio of molecules in sulphur dioxide and methane will be the same as the ratio of their moles. So, first of all we should find out the number of moles of sulphur dioxide in 1 gram of sulphur dioxide in 1 gram of sulphur dioxide, and the number of moles of methane in 1 gram of methane. This can be done as follows :

(i) The molecular formula of sulphur dioxide is SO_{2}

So, 1  mole of SO_{2} = Mass of 2'O'

=32+2*16

= 64 grams

Now, 64g of sulphur dioxide = 1 mole

So, 1g of sulphur dioxide = \frac{1}{64} mole

Thus, we have \frac{1}{64} mole of sulphur dioxide and it contains molecules in it. Now, since equal moles of all the substance contain equal number of molecules, therefore, \frac{1}{64} mole of methane will also contain x molecules of methane.

(ii) Molecular formula of methan is CH_{4}

So, 1 mole of CH_{4}  = Mass of C + Mass of 4 H

=12+4*12

Now, 16g of methane = 1 mole

So, 1 g of mathane = \frac{1}{16} mole

We know that:

\frac{1}{64} mole of methane contains = x molecules

So, \frac{1}{16}  mole of contains will contain =\frac{x*64}{16} molecules

=4x molecules

7 0
2 years ago
HELP ASAP
Rzqust [24]

Answer:

The loudness of sound is determined, in turn, by the intensity, or amount of energy, in sound waves. The unit of intensity is the decibel (dB) Intensity of sound results from two factors: the amplitude of the sound waves and how far they have traveled from the source of the sound.

Explanation:

6 0
3 years ago
If an acid is combined with a base of equal strength, the result will most likely be. a. a neutral solution b. a stronger acid c
Lady_Fox [76]
If the strength of the base and acid is EXACTLY the same/equal, the result would be: A. a neutral solution
That is why we used a base based medicine to treat our acid reflux because it will bring back the condition of our stomach into its neutral state

hope this helps
8 0
3 years ago
Read 2 more answers
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