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Svetllana [295]
2 years ago
10

Edwin Hubble is credited for the initial development of the Big Bang theory, an idea which helps to explain the formation of the

universe over 15 billion years ago. Which piece of evidence did Hubble find that led him to begin the development of the Big Bang theory?
Biology
1 answer:
miss Akunina [59]2 years ago
8 0
In 1923 when Hubble spotted a Cepheid variable star in what was called Andromoda Nebula and he was able to show that Andromoda was a million light years away ,which meant that it obviously wasn’t just a cloud of gas but a whole galaxy itself.And his discovery led to him becoming the most famous astronomer in the world just overnight ,because he brought us the fact that the “world” was bigger than we thought it was
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Which of the following statements is true about Tiktaalik?
yawa3891 [41]

Tiktaalik is a transitional fossil which shows how fish evolved into amphibians and reptiles. So the correct option is B.

What is Tiktaalik?

Tiktaalik is a direct ancestor of tetrapods or four-legged animals. It is an extinct fish-like animal and it lived on earth 380-385 million years ago (Devonian period).

The word Tiktaalik is derived from the <em>Inuktitut</em> language which loosely translates to large freshwater fish. This animal had characteristics of both fish and tetrapod and is therefore called the link between these two kinds of animals.

The characters resembling fish are gills and scales and the characters resembling tetrapods are rib bones, movable neck and lungs. There are characters that are a mix of both tetrapods and fish. These are bones and joints in limbs but fish-like fins instead of feet or hands.

Read more about Tiktaalik, here

brainly.com/question/10138798

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8 0
2 years ago
What kingdom absorbs nutrients from the environment
Vaselesa [24]

Answer:

s

e x

Explanation:

3 0
2 years ago
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Son músculos antagonistas (unos realizan flexión y otros extensión) los siguientes: * 5 puntos Trapecio- deltoides Bíceps- tríce
Lena [83]

Answer:

Bíceps- tríceps

Explanation:

Los músculos trabajan para generar movimiento mediante la contracción de células musculares. El bíceps y el tríceps son músculos antagonistas presentes en el brazo. Cuando el brazo se acorta, el bíceps funciona como agonista (es decir, se contrae) y hace que los tendones que tiran de los huesos del antebrazo puedan doblarlo. Durante este movimento, el triceps funciona como antagonista, encontrándose en estado de relajamiento. Por otra parte, durante el estiramiento del brazo, las funciones de estos músculos se invierten, con lo cual el tríceps (agonista) se contrae  y el bíceps (antagonista) se relaja.

6 0
3 years ago
All of the following are included in the forebrain except the
Ede4ka [16]

A. Cerebellum

By far the largest region of your brain is the forebrain (derived from the developmental prosencephalon), which contains the entire cerebrum and several structures directly nestled within it - the thalamus, hypothalamus, the pineal gland and the limbic system.

3 0
3 years ago
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True or
liubo4ka [24]

The revolution of earth around the sun and the tilt of earth’s  axis cause the changing of seasons. TRUE

<u>Explanation:</u>

Earth is slightly tilted at its axis. This causes a change in the amount of sunlight reaching each hemisphere. Due to the tilt one hemisphere will be closer to the sun while the other will be at a greater distance.  When the earth revolves around the sun , the hemisphere that is closer to the sun changes.

The hemisphere closer to the sun will experience summer and the hemisphere away from the sun will experience winter.

3 0
3 years ago
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