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skad [1K]
2 years ago
11

Match each term to its description.

Chemistry
1 answer:
FromTheMoon [43]2 years ago
4 0

The correct way to match these terms is:

  • Population Density - Number of individuals divided by area.
  • Species Evenness - The relative abundance of each species.
  • Species Richness - The number of different species represented in a region.
  • Species-area Effect - The larger the area, the more species it can support.

In biology, there are multiple terms to study and describe populations. Here are the most common terms.

  • Population density.
  • Species-area effect.
  • Species Evenness.
  • Species richness.

<h3>What is population density?</h3>

This term refers to the number of individuals in an area or the concentration of individuals per area. For example, the number of deer in a specific forest.

Based on this, this term better matches the number of individuals divided per area.

<h3>What is the species-area effect?</h3>

This term describes a phenomenon that relates population density to the area. This concept implies a bigger area can support more individuals of a species, while a smaller area reduces the number of individuals.

Based on this, this concept can be described as The larger the area, the more species it can support.

<h3>What is species richness?</h3>

This concept describes biodiversity or the number of species in a specific area/region. This differs from population density because it focuses on the number of species rather than the number of individuals from a particular species.

Based on this, the best definition is The number of different species represented in a region.

<h3>What is species evenness?</h3>

This concept describes the way in a specific ecosystem or region each species is relatively abundant. This means the number of individuals in each species is proportional to the number of individuals in other species.

Based on this, the definition that matches this term is The relative abundance of each species.

Learn more about species in: brainly.com/question/13259455

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Lady_Fox [76]

sodium ions and chloride ions

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3 years ago
Which of the following is a chemical change?
FromTheMoon [43]

<u>Answer:</u>

<em>Silver tarnishing as the silver metal reacts with sulphur is a chemical change.</em>

<u>Explanation:</u>

Tarnishing is the process of chemical change occurring on the surface of objects leading to corrosion or other defects on the surface. The remaining options like dilution, eroding is a physical change where the concentration of salt and rock particles will be decreased, respectively.

Similarly for soil drying also the concentration of water will be decreased leading to a physical change from wetty or dry soil.

But the last option which indicates tarnishing of silver metal on reaction with sulphur is a chemical process as the surface of silver metal will be reacting to sulphur and leads to lose of electrons which leads to corrosion of the surface or tarnishing of silver.

4 0
3 years ago
Read 2 more answers
.an open flask contains 0.200 mol of air. atmospheric pressure is 745 mmhg and room temperature is 68˚f. how many moles are pres
aleksklad [387]

<u>0.219 moles </u><u>moles are present in the flask when the </u><u>pressure </u><u>is 1.10 atm and the temperature is 33˚c.</u>

What is ideal gas constant ?

  • The ideal gas constant is calculated to be 8.314J/K⋅ mol when the pressure is in kPa.
  • The ideal gas law is a single equation which relates the pressure, volume, temperature, and number of moles of an ideal gas.
  • The combined gas law relates pressure, volume, and temperature of a gas.

We simple use this formula-

The basic formula is PV = nRT where. P = Pressure in atmospheres (atm) V = Volume in Liters (L) n =  of moles (mol) R = the Ideal Gas Law Constant.

68F = 298.15K

V = nRT/P = 0.2 * 0.08206 * 298.15K / (745/760) = 4.992Liters

n = PV/RT = 1.1atm*4.992L/(0.08206Latm/molK * 306K)

n = 0.219 moles

Therefore, 0.219 moles moles are present in the flask when the pressure is 1.10 atm and the temperature is 33˚c.

Learn more about ideal gas constant

brainly.com/question/3961783

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hlo guys you are so bads i

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4.) static electricity decoded tiny changes in the surface of a balloon causes it to charge more when rubbed against our hair

5.) you might have to answer that on your own but if you don’t want to here’s my experience


One day me and my twin brother were jumping on the trampoline and when we fell down my hair rubbed against the surface of it and stuck up

Hope that helped and Brainiest?
6 0
3 years ago
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