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3 years ago

Biological evidence of the age of the earth includes _____.

Biology

1 answer:

maksim [4K]3 years ago

5 0

Answer:

Biological evidence of the age of the earth includes radioactive dating of rocks, fossil evidence, comparative anatomy and molecular clocks

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The fruits have several purposes. Which purposes might be similar to those of a cone?

prisoha [69]

Answer:

Flowers and cones have different structures. Cones when mature have a woody texture and is made up of scales while flowers have colorful petals, sepals and both male and female reproductive portions are called stamens and pistils.

Explanation:

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3 years ago

When does a comet's bright tail appear?

Masteriza [31]

When it nears the sun, due to the power of solar wind

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3 years ago

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3 years ago

Narcotic drugs are ___ that exert a _____ action on the central nervous system

Blizzard [7]

Narcotic drugs are analgesic that exert a depressing action on the central nervous system.

Hope this helps!

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3 years ago

A 35 kg child moves with uniform circular motion while riding a horse on a carousel. The horse is 3.2 m from the carousel's axis

Andrews [41]

<h2>Hello!</h2>

The answer is:

b. $\frac{2.11m}{s^{2}}$

The centripetal acceleration or radial acceleration is present when an object is moving to describe a circular path. The centripetal acceleration is always perpendicular to the direction of the velocity and going inwards and towards the center.

The centripetal acceleration can be calculated using the following equation:

$CentripetalAcceleration=\frac{v^{2}}{RadiusOfMotion}$

From the statement we know that:

$v=TangentialSpeed=\frac{2.6m}{s} \\R=3.2m$

So, calculating we have:

$CentripetalAcceleration=\frac{{2.6^{2} \frac{m}{s} }}{3.2m}=\frac{{6.76\frac{m}{s} }}{3.2m}=\frac{2.11m}{s^{2} }$

So, the correct answer is:

b. $\frac{2.11m}{s^{2}}$

Have a nice day!

8 0

3 years ago