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Mama L [17]
3 years ago
5

I need help please asap please and thank you

Biology
1 answer:
Sav [38]3 years ago
8 0
Where’s the question
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______ is a source of genetic variation that involves the swapping of sections of chromosomes during meiosis.
Zepler [3.9K]

Answer:

crossing over

Explanation:

This occurs between prophase 1 and metaphase 1.

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4 years ago
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How does tetanic contraction of muscles help to lift objects heavier than our body weight?
Alik [6]

The tetanic contraction of muscles help to lift objects heavier than our body weight by generating force, overcoming resistance.

<h3>What is muscle?</h3>

Muscle is defined as group of tissue combined together in order to form muscles and muscles are the structure maker of the body it means it provide proper structure to the body.

Muscle contraction has been defined as an action potential that travels along with the nerves to the muscle. The beginning of the muscle contraction occurs with signal generated from the nervous system.There are mainly two types of muscle contraction and the situation occur when a muscle contracts and the change in size takes place.

Therefore, The tetanic contraction of muscles help to lift objects heavier than our body weight by generating force, overcoming resistance.

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1 year ago
Las instituciones economicas se encargan de regir
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Answer:

<h3>Explanation:Las instituciones económicas son el conjunto de entidades que se forman a través del tiempo y que van encaminadas a regular y establecer leyes con el objetivo de mejorar determinados aspectos de la economía. ... Este funcionamiento económico puede ser en diferentes materias</h3>
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3 years ago
A fold in rock that bends upward into an arch is called?
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Anticline is the answer
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Which two major parts of the Earth system does this photo most clearly show? A. Hydrosphere B. Atmosphere C. Cryosphere D. Biosp
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D- Biosphere
The part of the earth and its atmosphere in which living organisms exist or that is capable of supporting life
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