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VMariaS [17]
3 years ago
5

Can a molecule may contain two atoms of the same element

Biology
1 answer:
enot [183]3 years ago
8 0

Answer:

no. one or more like atoms in a element

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ancestors of giraffes with shorter necks could not reach branches high up in trees for food. this led to selection for longer-ne
hichkok12 [17]

With shorter necks, giraffe ancestors could not reach food-containing branches on tall trees. This resulted in the directional selection of giraffes with longer necks.

 

<h3>Why is choosing a direction necessary? </h3>

It nearly appears obvious that the giraffe's long neck developed as a result of a lack of food in the lower branches of trees. The giraffe has a significant advantage because it is taller than any other mammal and can feed where few others can. 

When compared to modern giraffes, the giraffe's ancient predecessors had a shorter neck. The plants that were lying at a higher level were inaccessible to them. Giraffe phenotypes have changed in various ways, and now have long necks to reach vegetation that is higher up. The extreme form is chosen above other features in directional selection. It was decided to choose the long-necked giraffe over the short-necked.

 

To know more about direction selection for longer necked giraffes visit:

brainly.com/question/3738222

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7 0
1 year ago
Which sentence accurately describes star clusters?
Elza [17]

Answer:

Stars form large groupings

Explanation:

A large group of stars that have a common origin and are gravitationally bound for some length of time is called star clusters. Star clusters provide a way to study the ages of stars and stellar evolution. There are two categories of star clusters i.e. galactic clusters, and globular clusters.

Out of the given options, we can say that the correct option is (b) "Stars form large groupings".

4 0
2 years ago
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Which of these organisms give birth to its young one alive? a. lizard b. man c. fish d. snake ​
jenyasd209 [6]

Answer:

b. man

Explanation:

lizards, fish, and snakes lay eggs while humans (and most mammals) give birth

3 0
3 years ago
I NEED HELP THIS IS DUE IN AN HOUR !!<br> i’ll give u brainliest !
Hatshy [7]

Answer:

A. Compound Is the answer

Explanation:

3 0
2 years ago
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Explain how the climate in a specific region differs during El Niño and La Niña.
Nady [450]

Answer:

During El Niño, the jet stream is oriented from west to east across the southern portion of the United States. Thus, this region becomes more susceptible to severe weather outbreaks during the winter. Conversely, during La Niña, the jet stream and severe weather are likely to be farther north.

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2 years ago
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