How is the Great Barrier Reef’s population affected by abiotic factors?

1 answer:

7 0

The Great Barrier Reef, located off of Australia’s eastern coast, is the largest coral reef ecosystem in the world. The reef covers an area over 300,000 square kilometers and includes a wide range of ocean depth, and it contains such biodiversity as to make it one of the most complex ecosystems on Earth. Much like any other ecosystem on Earth, the Great Barrier Reef relies on biotic and abiotic components to keep it functional and stable.

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Which are factors of rock types that affect the rate of weathering? Select three options

vagabundo [1.1K]

Answer: Incomplete

"Check all that apply. porosity, moisture, temperature, mineral, softness, or ease of dissolving"

From the options, the three answers are mineral composition, ease of dissolving and p

Explanation:

Weathering is the phenomenon in which surface of rocks are broken down and leaches or washed away.

The factors that affect the rock type and rate of weathering of said rock include:

Composition: this translates to the mineral composition in the rock and how susceptible to chemical weathering reaction
Surface area and porosity: Surface porosity determines how easily the rock can be leached by wind or rain.
Climate: Mechanical weathering due to extreme climate change can cause freezing and thawing of the rocks, thereby enhancing disintegration of the rock. This is determined by the ease of dissolving of the rock.

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3 years ago

In which step of the scientific process is it decided whether the hypothesis has been supported?

OleMash [197]

The Jeffrey Carroll step is the process you are referring to.

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3 years ago

Which enzyme is mixed with a DNA sample before gel electrophoresis

Svetach [21]

Answer:

Restriction enzyme

Explanation:

Gel electrophoresis is a process or a technique in which fragments of DNA are separated in terms of their sizes.
The restriction enzyme is mixed with a DNA sample before the process. The restriction enzyme cut DNA at specific points into fragments which can then be separated based on their sizes on an agarose gel.
When current is applied to the gel DNA move towards the positively charged electrode since DNA is negatively charged, with shorter fragments migrating faster through the gel in comparison with large fragments.

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3 years ago

How many mutations are in the following DNA segment? (In other words, how many base pairs do not match up?)

salantis [7]

Answer:

Explanation:

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3 years ago

4. What is meant by the fact that water is a "polar" molecule?

Ksju [112]

Hello!

A polar molecule is where one of the atoms in a molecule has a slight positive charge, and another has a slight negative charge, due to the unequal sharing of electrons.

Water is one of these molecules - the electrons spend more time around the oxygen atom in the center, and less around the hydrogens, so the hydrogen atoms have a slight positive charge, and the oxygen a slight negative.

Therefore, your answer is B, water has a slight negative and a slight positive charge at opposite poles.

Hope this helps!

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3 years ago