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Anika [276]
3 years ago
13

When a long-period comet is farthest from the Sun in its orbit, which features of the comet exist? Select all that apply.

Biology
1 answer:
____ [38]3 years ago
7 0
When a comet is close to the sun, the force from the sun's radiation pushing against the comet making a dust and/or gas tail. The comet being close to the sun also forms the coma of a comet due to it's radiation. The only thing that doesn't exist while being close to the sun is the nucleus. In conclusion, When a long period comet is farthest from the sun in its orbit, C. the Nucleus exist.

Hope this helped! 
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In California, a species of salamanders were geographically separated over time. The group that lived in southern California rel
alex41 [277]

Answer:

It ocurred a selection by allopatric speciation

Explanation:

The allopatric speciation refers to the evolution in which the same specie starts developing different characteristics because of geographic barrers and this characteristics after some time generates two different specie.

It happens because usually according to the environment or the predators, species have to develop different adaptations so they can survive. In this case we have two different types of camouflage adaptations made by the salamanders acording to the conditions so for one specie it is better to camouflage from the predator mean while to the other is better to use lived colors to seem as it is a poisonous animal and in this way avoid the predators.

So you can see the same specie develop different strategies to survive because of a geographic separation, generating an allopatric speciation.

8 0
3 years ago
Question 8 of 10
Murrr4er [49]

Answer:

Option A.

Explanation:

Air pressure decreases with increasing altitude.

7 0
2 years ago
Which term does the letter X represent in the graphic organizer?
sasho [114]

The Letter X can represent any of the following options but the most correct option is ; Cell ( A )

<u>Although your question lacks the required </u><u>graphic organizer</u><u> a general answer is provided within the concept of your question</u>

A graphic organizer is a tool ( learning tool ) used by educators to present contents in a visual and text format. it is mainly used to establish connections between related components or concepts. they can also be referred to as knowledge maps.

The graphic organizer in this question will show the relationship between, cell --> organism --- >biosphere --->Ecosystem

Hence we can conclude that most correct option is ; Cell ( A ).

Learn more : brainly.com/question/20402473

4 0
2 years ago
A new golf course is built next to a river. Over the past several months, the nitrate levels of the water in the river have been
elena-14-01-66 [18.8K]

Answer:

The answer is "runoff from fertilizer".

Explanation:

The fertilizer is any natural or synthetic material, which is applied with soil or tissue of plant species and provides one or more plant foods, which are necessary for plant growth.  

Due to the high durability and excessive irrigation use, nitrate fertilizers, which provide high solubility, as well as the nitrate ion throughout the finishes the product and readily drained away, that's why the given choice is correct.

7 0
3 years ago
The cells in this part of a plant form long, vertical tubes. What is the most
OverLord2011 [107]

Answer:

xylem and pholem.....?

5 0
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