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3 years ago

How do organisms interact with each other and how can one organism be dependent upon other species

2 answers:

7 0

Individual organisms live together in an ecosystem and depend on one another. ... One category of interactions describes the different ways organisms obtain their food and energy. Some organisms can make their own food, and other organisms have to get their food by eating other organisms.

TiliK225 [7]3 years ago

5 0

Answer:

group of closely related related interbreeding organisms.they eat milk they can survive from the species and eat the meat of the other animals.

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What would you have if you took away two protons from a bismuth atom? (Please be specific)

lana66690 [7]

Answer:

Alpha particle

Explanation:

An alpha particle is a helium nucleus, 2 protons and 2 neutrons, loss of an alpha particle give a new element with an atomic number 2 less than the original isotope and an atomic mass that is lower by about 4 amu.

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2 years ago

Which of the following elements is a nonmetal? a. selenium (Se) b. yttrium (Y) c. barium (Ba) d. calcium (Ca) e. All of these ar

san4es73 [151]

<u>Answer:</u>

The correct answer option is a. Selenium (Se).

<u>Explanation:</u>

From the given answer options, Selenium (Se) is the only element which is a non metal.

It has the atomic number 34 with atomic weight 78.96. It is a member of the sulfur group of the non metallic elements and falls in period 4 of the Periodic table.

Selenium has non metallic properties which are intermediate between the elements that lie above and below it in the Periodic table.

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3 years ago

Read 2 more answers

Which statement is always true about a reversible chemical reaction?

Doss [256]

Answer: b

Explanation:

8 0

1 year ago

What kind of crystalline solid is kci

PilotLPTM [1.2K]

Its a covalent bond formed by Potassium and Chlorine.

The product obtained is POTASSIUM CHLORIDE.

Hope this HELPS !!!

4 0

3 years ago

Read 2 more answers

Predict the order of elution if you were to attempt to separate using column chromatography on silica gel and with a gradient el

Minchanka [31]

Answer:

Follows this order: B=> A => C.

Explanation:

NB: kindly check the attachment for the diagram of compounds A, B and C.

Elution is a very important concept in chromatography separation techniques. It deals with the use of eluent in the removal of an adsobate from an adsorbent. The principle behind Elution is just about how polar the solvent is.

So, in this question Compound B will go with the Elution first because of its polarity. Compound B has lesser polarity as compared to Compounds A and B.

Compound A will then elutes second because of its polarity too as resonance increases its polarity.

Last, compound C elutes because it has the highest polarity which is caused by electronegative atoms.

6 0

2 years ago