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Degger [83]
3 years ago
7

Hurry please!!!

Biology
2 answers:
o-na [289]3 years ago
6 0

Answer:

its Long-term environmental changes cause changes in genetic makeup.

Explanation:

i just took the test

dont forget to press the thx button :)

Sergeu [11.5K]3 years ago
3 0

Answer:

Long-term environmental changes cause changes in genetic makeup..

Long-term environmental changes occur in thousands to billions of years.

Long-term environmental changes affect organisms over several generations

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In carbon dioxide (CO2), there are two oxygen atoms for each carbon atom. Each oxygen atom forms a double bond with carbon, so t
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the total number of being shared is six

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The diagram shows the position of earth during solstice. select the area that would be getting around 24 hours of daylight each
jeka57 [31]

The answer is Artic Circle Zone (red square at the top)

Explanation:

A solstice occurs two times in a year when the Sun reaches farther either the south or the north of Earth. In the image presented, there is a solstice because the sunlight reachers farther in the North. Additionally, this phenomenon occurs due to the tilt (inclination) of Earth, and it increases the number of daylight/night hours in different zones.

In the case of the Arctic Circle Zone (north pole) it is likely during the solstice, this zone has around 24 of daylight each day because almost all this zone is directly exposed to the sunlight, and therefore this will always be reached by sunrays despite the rotation of Earth (rotation of Earth in its axis). On the other hand, other zones will not be exposed to sunlight all the time because the location and rotation will cause these areas are in the dark zone of Earth during specific hours every day.

6 0
4 years ago
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A biologist adds a vitamin solution, which acts as a co-factor, to an enzyme/substrate solution. What affect will this have on t
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I would go with It will increase the reactivity with the substrates. Because if there is no factors, the <span>rate of enzyme activity will increase.
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3 0
3 years ago
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a rocket is fired straight upward from ground level with an initial velocity of 480Km)hr. After t second , its distance above th
Andru [333]

Answer:

answer

Explanation:

The rocket is 19.5 m above the ground when h=19h=19:

h19.50tttamp;=−8t2+32tamp;=−8t2+32tamp;=−8t2+32t−19.5amp;=−32±322−4(−8)(−19.5)−−−−−−−−−−−−−−−−√2(−8)amp;=−32±1024−624−−−−−−−−−√−16amp;=−32±400−−−√−16amp;=−32±20−16amp;=−32+20−16=0.75amp;=−32−20−16=3.25amp;amp;amp;amp;amp;amp;amp;amp;Substitute h=19.amp;Subtract 19.5 on both sides.amp;Solve for t using the Quadratic Formula.amp;Simplify.amp;Subtract.amp;Evaluate the root.amp;Find the two solutions.

h

19.5

0

t

t

t

​  

 

amp;=−8t  

2

+32t

amp;=−8t  

2

+32t

amp;=−8t  

2

+32t−19.5

amp;=  

2(−8)

−32±  

32  

2

−4(−8)(−19.5)

​  

 

​  

 

amp;=  

−16

−32±  

1024−624

​  

 

​  

 

amp;=  

−16

−32±  

400

​  

 

​  

 

amp;=  

−16

−32±20

​  

 

amp;=  

−16

−32+20

​  

=0.75

amp;=  

−16

−32−20

​  

=3.25

​  

 

amp;

amp;

amp;

amp;

amp;

amp;

amp;

​  

 

amp;Substitute h=19.

amp;Subtract 19.5 on both sides.

amp;Solve for t using the Quadratic Formula.

amp;Simplify.

amp;Subtract.

amp;Evaluate the root.

amp;Find the two solutions.

​  

 

The rocket will then be at least 19.5 m above the ground for the interval 0.75≤t≤3.25  

0.75≤t≤3.25

8 0
3 years ago
Comparable segments of the mitochondrial DNA sequences of two similar species are shown below. This segment of DNA mutates at a
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