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RSB [31]
2 years ago
6

What is a function of cardial muscle​

Biology
1 answer:
Ugo [173]2 years ago
3 0
Pumping blood throughout the cardiovascular system
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Which of the rock examples below is most likely to be metamorphic
iren2701 [21]
A metamorphic rock is a type of rock which has been changed by extreme heat and pressure.  so must be option D
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3 years ago
PLEASE HELP!!
kkurt [141]

These changes can be natural, such as through variations in the solar cycle.

<h3>Climate history</h3>

Clam shells

2. 800,000 years ago

Ice cores

1. 150 million years ago

Oldest rocks in the world

5. 3.8 billion years ago

Tree cores

3. 10,000 years ago

Ocean sediments

4. 200 million years ago

With this information we can conclude that these changes may be natural, such as through variations in the solar cycle. But since 1800, human activities have been the main driver of climate change, mainly due to the burning of fossil fuels like coal, oil and gas.

Learn more about Climate in brainly.com/question/885982

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2 years ago
What would happen if there were no abiotic factors in an ecosystem?
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Answer:

Plants would be unable to grow and produce oxygen for the animals.

Explanation:

Sunlight, which supports plants, is considered an abiotic factor. If there were no sunlight, plants wouldn't be able to grow, which means no oxygen for many living things found in that specific ecosystem. In other words, that ecosystem would become uninhabitable.

3 0
3 years ago
Light does not need to travel through a medium.<br><br> True<br><br> False
Eddi Din [679]

Answer:

True

Explanation:

Sound waves need a medium to travel through. That's why you cant hear sound in space. But you can see light in space and the sun heats up our planet, so yes, light doesnt need a medium to travel through.

3 0
3 years ago
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A protein isolated from a thermophilic bacterium shows a molecular weight of 160 kD when eluted from a size-exclusion chromatogr
Amiraneli [1.4K]

Answer:

as a dimer consisting of two identical monomers (80 kDa subunits) that are packed together via hydrophobic interactions

Explanation:

SDS-PAGE (sodium dodecyl sulphate–polyacrylamide gel electrophoresis), is an electrophoretic methodology used to separate proteins that have a molecular weight between 5 to 250 kDa. SDS is a well-known ionic detergent that is able to break hydrophobic interactions and hydrogen bonds. Moreover, size-exclusion chromatography is a filtration technique that separates molecules in solution according to their molecular size. In this case, SDS-PAGE showed that the target protein is composed of two identical subunits (monomers) of 80 kDa each, which were separated by the detergent and formed one single band in the SDS-PAGE gel.

4 0
3 years ago
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