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3 years ago

Select the correct answer

Biology

2 answers:

Yanka [14]3 years ago

7 0

Answer:

Explanation:

Trace evidence (traced back to the crime)

mote1985 [20]3 years ago

3 0

<u>ANSWER:</u>

The correct option is C: Latent fingerprints. Latent fingerprints are evidences that link a suspect to crime scene.

<u>EXPLANATION</u>:

Fingerprints are considered to be unique for every individual and therefore these can be used as the perfect evidence for matching a suspect to the crime scene.

Latent fingerprints are the invisible image transfers of the fingerprints that can be obtained easily by applying fingerprinting powder with oil.

This oil makes visible the lines and ridges that can be taken for matching the suspect with the crime scene.

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Why some of the seeds have cotton or plumule.

bagirrra123 [75]

Answer:

They can grow because the fibers in cotton attract and hold water while allowing some free space for air to penetrate. ... With these, seeds can grow almost in any medium provided that they have just enough water and oxygen.

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3 years ago

2.86 A ball is dropped from rest from the top of a cliff that is 24 m high. From ground level, a second ball is thrown straight

Rashid [163]

Answer:

Distance Below the top = 6,02 m

Explanation:

To get the Final velocity of the first ball (that will be the intial velocity of the second) you need to solve the kinematic equation for Velocity:

(1) $V_{1f} =V_{1O} - gt$

As the ball is dropped from rest $V_{1O} = 0$ , so:

(2) $V_{1f} = - gt$

Note that the velocity is going to be negative as the ball is going down. To get the time it would take the ball to reach de base you can use the kinematic equation for position:

(3) $h_{1} = h_{1O} + V_{1O} *t - \frac{1}{2} gt^{2}$

We need the answer when h=0, and from the initial conditions $V_{1O} = 0, h_{1O} = 24m$ , you get:

(4) $24m = \frac{1}{2} gt_{1f}^{2}$

Solving for t, with $9,8\frac{m}{s^{2}}$ and :

(5) $t_{1f} = \sqrt{\frac{24m*2}{g} } = 2,21 s$

Replacing this time in (2), the final velocity is:

(6) $V_{1f} = -21,66 \frac{m}{s}$

So the initial velocity of ball 2 is equial to this but oppossite in direction so: $V_{2O}= -V_{1f} = 21,66 \frac{m}{s}$

The general position equation for ball 2 is (considering $h_{2O} = 0$ :

(7) $h_{2} = V_{2O} *t - \frac{1}{2} gt^{2}$

They cross paths when $h_{1}=h_{2}$ so:

(8) $h_{1O} - \frac{1}{2} gt^{2} = V_{2O} *t - \frac{1}{2} gt^{2}$

Rearranging:

(9) $t_{cross} =\frac{h_{1O}}{V_{2O} }$

Replacing values:

$t_{cross} = 1,108 s$

To get the absolute position replace $t_{cross}$ on equation (3) or (7):

$h_{cross} = 17,98 m$

To get it below the top of te cliff:

$h_{cross, from above} = 24 m - 17,98 m$

$h_{cross, from above} = 6,02 m$

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4 years ago

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erica [24]

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3 years ago

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Law Incorporation [45]

Answer:

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Explanation:

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3 years ago

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It is going to be humid, hot and wet :3. Thanks and brainlest

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3 years ago

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