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3 years ago

Which best explains the difference between a ball-and-stick model of a chemical compound and a space-filling model?

Biology

1 answer:

lozanna [386]3 years ago

4 0

Answer:

Ball-and-stick models show the bonds between atoms, but not the relative sizes of atoms. Space-filling models show the relative sizes of atoms, but not the bonds between atoms.

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1. In economics, natural resources not ceated by people ae called

inysia [295]

ANSWER:

In economics, "natural resources" not created by people are called land.

The tools we use to create goods are called capital.

EXPLANATION:

In economics, natural resources not created by people in the factors of production are "land, labor, and the capital".

Out of these factors of production, land and labor are two things that not created by people. These two resources are utilized in the production process to create output, i.e "finished goods and services".

Land refers to the geographic area or territory which is all the gift of nature and is not created by human effort.

Labor refers to the individuals who utilize their skills, abilities, and efforts to manufacture or utilize the capital in the production of those goods and services.
Capital refers to the equipment, technology, factories, and tools which are used in the production and manufacturing of "goods and services". Hence, these are the factor of production.

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3 years ago

A cylinder fits inside a square prism as shown. For every cross section, the ratio of the area of the circle to the area of the

dedylja [7]

Area circle = π*r²

Area square = l²

The side of the square is equal to the diameter of the circle

Area square = D²

A diameter is always twice the radius

Area square = (2r)² = 2²r² = 4r²

So this is the rate:

Area circle/Area square = (π*r²)/(4r²)

Area circle/Area square = π/4

Volume is always Area*h when cross sectional area is a constant

Volume Prism = Area Square*h

Volume Prism = 4r²*h

Volume Cylinder = Area Circle*h

Volume Cylinder = π*r²*h

So far this is option D)

Let’s calculate the rate:

Volume Cylinder/Volume Prism = π*r²*h/4r²*h

Volume Cylinder/Volume Prism = π/4

Volume Cylinder = π/4* Volume Prism

This is also option D)

Now let’s calculate Volume Cylinder from that formula:

Volume Cylinder = π/4* Volume Prism

Volume Cylinder = π/4 *(4r²*h)

This is also option D)

So option D) is correct

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4 years ago

Read 2 more answers

miskamm [114]

The Great Plains have a continental climate. Much of the plains experience cold winters and warm summers, with low precipitation and humidity, much wind, and sudden changes in temperature. More rainfall occurs in summer than in winter, except in some of the northwestern parts of the Great Plains.

Hopes this helps!

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4 years ago

Read 2 more answers

The retention of five digits on the hands and feet of primates is ____. a variable trait in the order characteristic only of mon

ElenaW [278]

The answer is ‘the only truly distinctive primate trait’. Prehensile hands are a distinctive trait of primates an opposable thumb (capable of grasping). The digits have nails instead of claws, and tactile pads enriched with sensory nerve fibers at the ends of digits to feel to manipulate objects.

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3 years ago

A higher concentration of molo cules causes a faster chemical reaction this is known as

love history [14]

It's know as chemical equilibrium

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3 years ago