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NARA [144]
3 years ago
6

How many primary tectonic plates make up the surface of Earth? -nine -eleven -seven -thirteen

Biology
1 answer:
beks73 [17]3 years ago
8 0
The earth has about seven primary plates that make up the earths surface.
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Kruka [31]

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Explanation:

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Convection currents flow due to variations in the temperature and salinity in seawater, which both influence its density. Variations in density in different regions of the ocean will cause water to flow from less dense areas to more dense areas as water heats up and becomes less saline, producing a horizontal convection current. Vertical convection currents can arise as cooler, more saline water sinks, causing warmer, less saline water to rise.

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A vaccine is a substance that is usually given to patients before they have a disease. The vaccine causes the patient's body to
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I would say C, weak, dead, or partial antigens because do you need to be introduced to the disease for your body to fight it.

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3 years ago
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Alenkasestr [34]

Answer:

b. There has been little to no recent growth in renewable energy use due to a lack of environmental concerns with the use of fossil fuels.

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3 years ago
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How are alleles for dominant traits represented
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What are the 1st and 2nd line of defence of plant against pathogens?
sladkih [1.3K]

Answer: These may be:

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Explanation:

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Chemical defenses include the production or secretion of:

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6 0
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