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MariettaO [177]
3 years ago
9

Answer them all please!!

Physics
1 answer:
stepladder [879]3 years ago
7 0

Answer:

Digestive = large instestine

respiratory = lungs

circulatory red blood cell

neurons=nerves

Explanation:

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Discuss velocity by providing at least one example and explain why velocity is either a scalar or vector quantity.
grandymaker [24]
Velocity is speed plus direction, so an example of velocity would be a vehicle traveling at 75mph north. Velocity is a vector quantity because it describes both magnitude and direction.
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3 years ago
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If a positive test charge is placed in an electric field, what is the direction of the force on the test charge?
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Explanation:

If a positive test charge is placed in an electric field, it will exert the force in the test charge in the direction of electric field vector. We know that the direction of electric field is given by electric field lines. The field lines for a positive charge is outwards. The electric force acting on the charge is given by :

F = q E

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Which statement best describes how light behaves with liquids, gases, and solids?
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Which is an IUPAC name for a covalent compound
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In naming covalent compound (binary) based in IUPAC naming, we have 4 rules to be followed:

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2. The second element is named as if they are treated like an anion but put in mind that these are no ions in a covalent compound but we put -ide on the second element as if it is an anion.

3. Prefixes are used to indicate the number of atom of the elements in the compound. for example: mono- 1 atom, di- 2atoms, tri- 3 atoms and etc

4. Prefix "mono"is never used in naming the first element. For example: Carbon dioxide, there should be no monocarbon dioxide.
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To which group/family does each of these belong? A. Sulfur _________ B. Sodium _________ C. Argon _________ D. Silicon _________
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