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RUDIKE [14]
3 years ago
12

Hey lol please help I have like 192793 missing assignments

Biology
1 answer:
Verizon [17]3 years ago
3 0

Answer:

Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus.Explanation: Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus. ... Every normal human cell contains 23 pairs of chromosomes, for a total of 46 chromosomes. A trait is any gene-determined characteristic and is often determined by more than one gene.

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A magnetic field protects Earth from the Sun's high-energy particles. What two processes are involved in the formation of Earth'
lianna [129]

Answer:B

Explanation: The movement of metals in earths core and earths rotation are the two processes involved in the formation of Earths magnetic field. Hope this helps!

5 0
3 years ago
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Which term best demonstrates when an organism is better adapted to the environment that they live in and are more likely to surv
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On a certain day, Donnie observes the wind is blowing at 2 miles per hour. A bird nesting near Donnie's house flies three quarte
kipiarov [429]

Answer:

Air speed of bird is 4.17 mph

Explanation:

let the speed of the bird in still air be "X"

Speed of the bird when it flies in the direction of flow of wind = X+2

Speed of the bird when it flies in the opposite direction of flow of wind = X-2

The total time taken is equal to 12 minutes

= \frac{12}{60} \\= \frac{1}{5} hours

The distance in miles is equal to \frac{3}{4} = 0.75 miles

  \frac{0.75}{X+2} + \frac{0.75}{X-2} = \frac{1}{5}

On solving the above equation, we get -

2 X = (X^2 -4)*\frac{1}{0.75 *5} \\X^2 -4 -0.75 X =0\\X = 4.17

Air speed of bird is 4.17 mph

3 0
4 years ago
Im timed and i will mark brainliest The diagram shows a normal red blood cell and a shrunken red blood cell, both of which are i
Makovka662 [10]

Answer:

please include the diagram, thank you

Explanation:

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