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yanalaym [24]
3 years ago
15

Hector is demonstrating the properties of light to his class. He tapes two pieces of construction paper—one blue and one red—on

the classroom wall. He makes sure all the window blinds are closed to help make the room completely dark. He then instructs another student to turn off all the lights. Hector shines a beam of light from a flashlight onto the blue paper and then onto the red paper. Will the students be able to see the light traveling through the room as it hits the paper? Or will they only see the paper Hector shines the light on? Write down your predictions. Font Sizes
Biology
1 answer:
bonufazy [111]3 years ago
3 0

Answer:

Yes because the light from the sun will hit the paper and then when you add the flashlight the beam of light or color will do through

Explanation:

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2 years ago
Only ------ percent of the food eaten is turned into its own body. *
KonstantinChe [14]

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You are studying droplets of various solutions and comparing them to water. what shape do they start as?
cricket20 [7]

In the case of liquid droplets, including water, surface tension is the factor, which is accountable for their shapes and configuration. Though can easily be malformed, the droplets of water seem to be pulled into a spherical shape due to the cohesive forces of the surface layer.  

In the non-existence of other forces, involving gravity, the drops of almost all the liquids would be almost spherical.  


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Which condition would most likely lead to an increase in the frequency of an altruistic behavior in a population?.
podryga [215]

The beneficiaries of the behavior are related to the individual performing it. Groups that differ in terms of altruistic and selfish genotypes have differential reproduction or survival.

<h3>What is Altruistic behavior ?</h3><h3 />

Altruism is the practise of acting in a way that benefits another person at the expense of oneself. Giving someone else your lunch, for instance, is altruistic since it satisfies their need while also leaving you hungry.

Nepotistic altruism, reciprocal altruism (or mutualism), group-based altruism, and moral altruism are the four categories of altruism.

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6 0
1 year ago
Approximately how far, in cm, does the blood move during one beat? Express your answer to two significant figures and include th
Marysya12 [62]

Answer:

7.5cm

Explanation:

Velocity vs Time Graph:

When the object is going along the plane with velocity v at a particular time interval t we can explain it's motion via the velocity vs time graph. If the velocity of the object is constant then velocity vs time graph will produce a horizontal straight line. If the amount of differentiation of velocity of the object is positive and constant then the graph shows the linear line whose slope is is the same as the ratio of the change in velocity to the time interval.

Velocity vs time graph:

Is shown in the attached image

A velocity-time graph helps us to estimate the distance traveled by using the area under the graph.

Height of the triangle is the velocity (v) = 0.75m/s

The base of the triangle is the time interval (t) = 0.2sec

Distance travelled = Area of triangle

Distance travelled

= 1/2(V) * t

= 1/2(0.75m/s) * 0.2s

= 0.0075m

=7.5cm

Thus, during one beat blood flows  7.5 cm

3 0
3 years ago
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