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Mila [183]
3 years ago
10

Help! astronomers detect if a star is a part of a binary star system?

Biology
2 answers:
mestny [16]3 years ago
7 0
It has a smaller star orbiting it super fast
Gwar [14]3 years ago
4 0

They detect this when the unaided eye detects them as one light, then is revealed as two. Also, definition of Binary Star System: A binary star is a star system consisting of two stars orbiting around their common barycenter. Systems of two, three, four, or even more stars are called multiple star systems. These systems, especially when more distant, often appear to the unaided eye as a single point of light, and are then revealed as double (or more) by other means. Hope it helps!

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aleksandrvk [35]

Answer:

cause tumors to develop.

Explanation:

Oncogenic viruses are viruses that do not kill or lyses the cells of the host outright but has the capacity to cause to cause a long term infections that may eventually lead to the formation of tumor or cancerous cells within the body of their hosts.

<em>Hence, the fourth option is the correct option. That is, they cause tumors to develop</em>

5 0
3 years ago
Use the scenario to answer the question.
Murljashka [212]

Answer:

fruit weight

Explanation:

In an experiment, the dependent variable is the variable that responds to the changes made to the independent variable. In other words, the dependent variable, as the name implies, is DEPENDENT on another variable called independent variable. The dependent variable is the variable that is measured or recorded by the experimenter during the experiment.

In this case where a student is studying the effect of fertilizer on fruit growth. He uses 6 tomato plants, which were given different concentrations of fertilizer (independent variable). After the experiment, the weight of the tomato fruit were measured. This means that the FRUIT WEIGHT is the dependent or responding variable.

5 0
3 years ago
From what fish does beluga, osetra, and sevruga come from ?
spin [16.1K]
These are sources of very good cavier. The beluga is actually a whale, while the osetra is a sturgeon. The sevruga is also a sturgeon.
8 0
3 years ago
John has repeatedly been taking a painkiller for his back pain. one day, his doctor instead gives him a different pill, which co
Kisachek [45]

Answer: Placebo effect

John is experiencing placebo effect where the pill that contains no pain killing medication has given pain relief to John. A placebo is a substance with no therapeutic effect but sometimes improves patient’s condition. This is due to patient’s expectation that the pill they take can help or ease the pain they have even if no active ingredient is present.

Therefore, the effect is more than positive thinking or believing that a treatment will work by creating a stronger connection between the brain and body as they work together.

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3 years ago
Trace the pathway food takes upon ingesting it, making sure to include all accessory
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Answer:

mouth , easophagus, stomach, large intestine, small intestine, rectum

Explanation:

8 0
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