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valkas [14]
3 years ago
7

describe a procedure humans may have used to produce broccoli, which has small flowers and thick stems?

Biology
1 answer:
Anna007 [38]3 years ago
4 0
Hi, this is called artificial selection or selective breeding (usually, the term selective breeding is reserved for animals though). In artificial selection, farmers "breed" or "cross" two plants with the wanted traits in order to produce more. hope this helps!
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Approximately how quickly do the Earth's crustal plates move? A. A few centimeters a year B. A few centimeters a month C. A few
aliya0001 [1]

The correct answer is - A. A few centimeters a year.

Earth's crustal plates move very slowly, between 2 cm and 5 cm (depending on the plate) annually. This is the reason why it takes millions of years for them to significantly change their position, and with it the appearance of our planet. These crustal plates are slowly moving around the planet because they are powered by flow in the interior mantle.

6 0
3 years ago
The purpose of transcription is to create
Levart [38]

Answer:

B. a sequence of DNA bases that duplicates a sequence of RNA bases.

Explanation:

Transcription is the first step in gene expression. It involves copying a gene's DNA sequence to make an RNA molecule.

4 0
2 years ago
Discribe the population growth for the first 3 years.
Triss [41]

Answer:

The answer would be A

PLEASE MARK ME BRAINLIESTY

THE ANSWER IS A BECAUSE IT GROWS VERY FAST UP IN A FAST DIRECTION

THANKS

Explanation:

6 0
3 years ago
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Sodium and potassium ions are essential for muscle contractions of the heart. The ions are transported using a pump, which obtai
emmasim [6.3K]
The sodium and potassium ions are transported using a sodium potassium pump the process of moving sodium and potassium ions across the cell membrane.
4 0
3 years ago
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A certain machine can output 50 Joules (J) of energy when 100 J of energy are input. If the amount of friction experienced by th
Dmitriy789 [7]

Explanation:

D) 75 J

Energy is neither related nor destroyed- it's simply converted to different forms. Forces are vectors with both mass and acceleration; they are interactions that have the ability to change an object's motion. As objects move, their potential energy (apprx 100 J) is converted to kinetic energy. However, friction a resistive force, which is formed from the conversion of an object's kinetic energy into heat energy, as two surfaces move along each other.

With the reduction of friction, the energy output should increase, as less energy is lost as heat. Thus, the output should be 75 J.

Learn more about energy flow at brainly.com/question/6966886

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4 0
3 years ago
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