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mr Goodwill [35]
3 years ago
8

What do you think the term "ecological footprint" means?

Biology
1 answer:
kotykmax [81]3 years ago
4 0

Answer:

biologically productive land and sea area

Explanation:

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OlgaM077 [116]

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Transportation, Agriculture, Drinking, Recreation(water parks, pools etc.)

Explanation:

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In the lungs, surfactant is secreted by ____ cells.​
Katyanochek1 [597]
<span>Surfactant, which is a mixture of fatty lipids and proteins are secreted by alveolar type II cells that line the perimeter of the inside of our empty alveolar space and aids in the movement of air and liquids that go in and out of the lungs. These cells may line other vital organs to protect it against outside wear and tear and keep the tissue inside our bodies intact making bodily functions working more smoothly.</span>
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4 years ago
What is the difference between r-selected and k-selected species
Darina [25.2K]

Answer:

r-selected babies grow rapidly, and tend to be found in less competitive, low quality environments. ... K-selected species produce offspring that each have a higher probability of survival to maturity.

Explanation:

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3 years ago
What evidence do the positions of the peaks and dips in its spectrum provide about an object? A. expansion B. elemental composit
Andreas93 [3]

Given what we know about the use of spectrums, we can confirm that the positions of peaks and dips provide information as to the elemental composition of the object in question.

The question asks about the dips and peaks of a spectrum, which allows us to assume we are dealing with Infrared spectroscopy and IR spectrums. This is defined as the measurement of how certain matter interacts with infrared radiation.

These graphs are used to measure how this matter absorbs, reflects, or even emits said radiation. Therefore, the use of spectrums allows us to infer as to the chemicals present or functional groups of an object, and therefore its elemental composition.

When looking at the spectrum graph, we will see that at times the curve dips down, which indicates that <u><em>less light </em></u>is transmitted. That means light is being absorbed. Due to the fact that bonds absorb different frequencies of light, <u>the </u><u>peaks </u><u>tell you what kinds of </u><u>bonds </u><u>are present from which we can identify the </u><u>elemental composition</u><u>.</u>

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To learn more visit:

brainly.com/question/8339507?referrer=searchResults

5 0
3 years ago
I need help with the Collision Theory Portfolio Worksheet plzzzzz its due today i really need help.
guapka [62]

The collision theory in chemistry is used for the prediction of the rates of the chemical reactions, it is mainly used for the calculation of the rate of the chemical reactions occurring in the gaseous state.

The main assumption of this theory is reacting substance (atom or molecule) must come and collide to react and form a product. It was proposed by Max Trautz in the year 1916.


3 0
4 years ago
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