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siniylev [52]
3 years ago
8

What conditions need to be present for an atom to form hydrogen bonds?

Biology
1 answer:
Veronika [31]3 years ago
3 0
Fluorine, oxygen, or nitrogen. These three elements are so electronegative that they withdraw the majority of the electron density in the covalent bond with hydrogen, leaving the H atom very electron-deficient.
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Which of the following populations receives energy from populations at each level of
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Answer:

Option B. mushroom.

Explanation:

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3 years ago
Global warming threatens the survival of Arctic foxes. Which of the following factors could be involved?
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The correct answer is B.

Global warming encourages other fox species to spread into areas previously unsuited to them.  This increase in fox populations, and also change in environment, will reduce the amount of prey available in the area.

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6 0
3 years ago
Using the diagram below, answer the following questions:
elena-14-01-66 [18.8K]

Answer:

  1. FALSE. The factory uses mechanical energy and when carbon is released into the atmosphere it is the process of chemical energy. ... Arrows C + F represent a release of carbon dioxide. Arrow C shows carbon being released into the air from the factory.
  2. Its true because the arrow letter A uses the of solar power from the sun then makes a chemical reaction to make food for the plant so basically photosynthesis. 8.
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  4. All the arrows in a combined form are used to show the biogeochemical cycle or the carbon cycle. In this cycle, carbon is cycled between the biotic and abiotic component of the biome. In any biogeochemical cycle, mas and energy are always conserved.
8 0
3 years ago
I'm on a timer
Ksivusya [100]
If the machine is working properly then that rules out 2, 3 and 4 as they are all technical problems and therefore it must be A there waves don't reflect of the stone properly and therefore no image is formed

Hope that helps
4 0
3 years ago
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The rate at which blood flows through the human body changes in
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Answer:

A high viscosity of blood causes an increased resistance in the blood vessels and leads to slow blood flow.

Viscosity refers to the thickness of blood. This thickness is caused by the number of red blood cells. Thick blood travels through blood vessels at a slower rate than thin blood.

3 0
4 years ago
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