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Rina8888 [55]
3 years ago
15

The solar system formed from________.

Biology
1 answer:
Iteru [2.4K]3 years ago
7 0

Approximately 4.6 billion years ago, the solar system was a cloud of dust and gas known as a solar nebula. Gravity collapsed the material in on itself as it began to spin, forming the sun in the center of the nebula.

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The genetic material that determines traits in a cell consists of DNA . How many different nucleotide bases are in DNA?
dexar [7]

I think there is 4 different nucleotide

4 0
3 years ago
Population of top level consumers in a particular ecosystem were rapidly decreasing. Further studies revealed that there was als
Lana71 [14]

Answer

Since the whole ecosystem depends on the primary producers for survival, definitely all the sizes of the population in the ecosystem will be affected. The producers(green plants ) makes use of sunlight to supply  the needed energy as food substances for the consumers ( rabbit) to feed on, and the  Consumers is eaten by the top level consumers e.g Leopard.

Therefore, if the population of  top level consumers is decreasing, this indicated that the secondary consumers population is reducing,  due to reduction in energy obtained from primary producers which has dropped due to  the decline in productivity.Hence nothing fort the top consumers to feed on.

Explanation:

4 0
3 years ago
Please help me
zepelin [54]

Answer:

all

Explanation:

Because they are so close, than can collide very quickly, i.e. it takes less time for a molecule of the solid to 'bump' into its neighborough. Solids are packed together tighter than liquids and gases, hence sound travels fastest in solids. The distances in liquids are shorter than in gases, but longer than in solids

hope this helps

8 0
4 years ago
Read 2 more answers
A reseacher found shark fossils on top of a mountain. What does this evidence suggest?
BaLLatris [955]
That they were probably on land and that they evolved into sea animals or that that mountain used to be an ocean or water source and that it dried up and a mountain grew there. I'm not positive that this is correct though.
4 0
3 years ago
There are many unicellular organisms in addition anything less than a cell is not alive what do these two statements imply about
Kay [80]
These two statements imply that an entity is considered as a living organism has at least one cell (the basic unit of life). It could be eucaryote or procaryote, unicellular or pluricellular. It has his own metabolism and its own genetic material.

Prions, viruses, and bacteriophages are not considered as a living organism, because they are technically not a cell, and does not all the property and the structure of a cell.

4 0
3 years ago
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