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Vaselesa [24]
2 years ago
15

Explain how a scientist can determine when a particular species of dinosaur lived on Earth.

Biology
1 answer:
cluponka [151]2 years ago
8 0

Answer:

by fossil dna

Explanation:

it is too easy for a sciencetist

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What are two reasons why terrestrial plants formed closer to the sun after the supernova event that initiated the formation of t
jasenka [17]

Answer:

- They are made of denser objects, which can condense at relatively high temperatures;

- They are made of heavier elements, which have a stronger gravitational attraction to the Sun;

6 0
3 years ago
How does acid precipitation cause rocks to weather faster?
larisa86 [58]
Because it causes them to move, and so they weather that way. Buut the acid rain can leak into the rock and slowly break down the atoms, causing it to chemically weather faster. Also, just regular water/rain can wash away some covering sediment.
5 0
3 years ago
Give a brief description of both<br> Name 3 similarities and 3 differences.
FromTheMoon [43]

Answer:

  • <u>Similarities And Differences:</u>

If a topic, law or scientific research shares the same origin of study, similar to  another topic or term, then they will be compared and further analyzed by the team of scientists and research workers in order to have some conclusions and results.

Explanation:

  • As there are many scientific research and analyses which is been carried out in order to analyze the different elements in the process of comparison between any two subjects and terms.
  • <em>There are various subjects and topics of research work. Many of the scientific research work are in parallel to each other as they  are somehow compared by other scientists and research workers.</em>
7 0
3 years ago
An atom that has gained electrons is known as an?
kati45 [8]

Anion negative atom

Hope this helped you

7 0
3 years ago
Read 2 more answers
Explain how super-antigens, such as toxic shock syndrome toxin produced by staphylococcus aureus, often lead to the development
GaryK [48]

Toxic shock syndrome toxin is a super-antigen produced by Staphylococcus aureus bacteria .it causes toxic shock syndrome by stimulating the release of large amount of interleukin-1, interleukin-2 and tumor necrosis factor .

Interleukin-1:

It is a group of 11 cytokines that plays a central role in the regulation of immune and inflammatory responses to infections .

Interleukin-2:

It is a type of cytokine signaling molecule in the immune system .interleukin-2 is apart of the body's natural response to microbial infection and in discriminating self and non self foreign.

tumor necrosis factor :

Tumor necrosis factor is protein superfamily  of type 2 transmembrane protein  containing  tnf homology domain and trimers .these proteins are expressed predominantly by immune cells and they regulate diverse cell functions ,including immune response and inflammation ,but also proliferation, differentiation and embryogenesis.

Staphylococcus aureus:

Staphylococcus aureus is a gram positive pathogen cable of producing a variety of bacterial exotoxin known as super antigens .

Toxic shock syndrome :

Toxic shock syndrome is an acute disease mediated by the production of super-antigenic toxin .it is rare , life threatening complication of certain type of bacterial  infections. often it results from toxins produced by staphylococcus aureus bacteria but the condition may also be caused by toxins produced by group a streptococcus bacteria.

Toxic shock syndrome can affect anyone ,including men , older woman, children and postmenopausal women.risk factors of toxic shock syndrome includes skin wounds ,surgery ,and use of tampons and devices such as menstrual cups contraceptive devices ,etc.

Symptoms of toxic shock syndrome toxin:

A sudden high fever,low blood pressure ,vomiting or diarrhea ,rash resembling sunburn ,muscle aches ,redness of eyes ,mouth and throat ,headache and seizures.

Conclusion:

If you have these symptoms of toxic shock syndrome then immediately call your doctor or consult a doctor and take precautions.

Learn more about toxic shock syndrome toxin here:

brainly.com/question/3866751

#SPJ4

7 0
2 years ago
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