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galben [10]
3 years ago
8

Which differentiates the key chemical properties of nucleic acids, DNA and RNA? A. Hydrogen bonds B. Functional group C. Hydroca

rbon structure
Biology
2 answers:
kumpel [21]3 years ago
7 0
The answer is simply C hydrocarbon structure also known as the differenciative between key chemical properties of nucleic acids,DNA and RNA.

-hope this helps
Anestetic [448]3 years ago
4 0

C. Hydrocarbon structure



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Scientists observed that the populations of top-level consumers in a particular ecosystem were rapidly decreasing. Further studi
yanalaym [24]

Answer:

The correct answer is - decreased population size at all levels.

Explanation:

A decrease in the productivity of producers of an ecosystem will lead to a decrease in all other organisms of the ecosystem including top-level consumers to the bottom-level producers due to the fact that producers provide energy and food to primary consumers.

It is because they are the only organisms that convert the sunlight to usable energy and food that transfer from one trophic level to other, so if the population of producers or their productivity will decrease then there will be decreased population size at all levels.

5 0
2 years ago
What do the migration routes of homo sapiens reveal about their survival skills and ability to adapt?
garik1379 [7]

<span>The migration routes of Homo sapiens reveal that they went through many environmental and physical challenges but adapted everything much quickly in comparison to the other animals. The evolution allowed other species also to adopt these changes but it took them a long time to fit in the new environment, a sub species of a species adopted the new and the previous one could not, but Homo sapiens invented ways and tools to combat and evolve much quickly. It included their living, dietary needs, clothing and much more.</span>

5 0
3 years ago
As of January 1, 2010 what is a legal requirement for a person born on or after january 1, 1988 to operate a vessel powered by a
dybincka [34]

For a person born on or after January 1, 1988, to operate a vessel of 10 horsepower or greater on Florida waters, the Florida law requirements follow.

<h3>What are the Florida law requirements?</h3>

Florida law requires a person born on or after January 1, 1988, to operate a vessel powered by a motor of 10 horsepower or greater on Florida waters to meet the following:

  • Successful completion of an approved boating safety course.
  • Possession of a Boating Safety Education Identification Card issued by the FWC.
  • Thus, a legal requirement for a person born on or after January 1, 1988, to operate a vessel powered by a motor of 10 horsepower or greater on Florida waters is possession of a Boating Safety Education Identification Card issued by the Florida Fish and Wildlife Conservation Commission (FWC) after the successful completion of an approved boating safety course.

Learn more about the Florida Fish and Wildlife Conservation Commission at

brainly.com/question/4478106

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8 0
1 year ago
1. Natural Challenges - Explore the first three websites using the links on the
Serga [27]

Answer:

a. A natural geological challenge that exists in my environment is a fault zone known as the San Andreas Fault. It's a major geological landmark where two tectonic plates meet in California. People in my area are prepared for the event of an earthquake by packing emergency clothes, food, water, shelter, etc. in the event of a major earthquake. Scientists believe that California is past due for a major earthquake in the 6.0-8.0 range that could happen any day now. Hope this helps :)

Explanation:

7 0
3 years ago
Classify each statement as an example of adhesion, cohesion, or surface tension. Drag each statement to the appropriate bin. A s
LekaFEV [45]

Answer:

A sewing needle floats when it is placed gently on top of water in a bucket - surface tension

Water molecules ding to plant cell walls - adhesion

A water strider runs across a pond without breaking the surface - surface tension

A drop of water spilled on a table forms a drop on the table, rather than spreading out over the surface - cohesion

Water molecules cling to the side of a beaker - adhesion

Water molecules are attracted to each other - cohesion

Explanation:

The surface tension refers to the tendency of the surface of a liquid to remain unbroken by an external force due to the cohesive property of the molecules of the liquid. Instead of being broken, the surface of the liquid stretches like an elastic membrane.

The adhesive property of a liquid, also known as the force of adhesion, refers to the property of the molecules of the liquid to stick to other molecules while cohesive property or cohesion refers to the property of molecules of liquids to stick to themselves.

Hence,

<u>Surface tension</u>

  • A sewing needle floats when it is placed gently on top of water in a bucket.
  • A water strider runs across a pond without breaking the surface.

<u>Cohesion</u>

  • A drop of water spilled on a table forms a drop on the table, rather than spreading out over the surface.
  • Water molecules are attracted to each other.

<u>Adhesion</u>

  • Water molecules ding to plant cell walls
  • Water molecules cling to the side of a beaker
8 0
3 years ago
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