Geography College

Our understanding of the atom has changed over time. Which idea that was once accepted is now considered scientifically
inaccurate?

A. Electrons are arranged in layers.

B. An atom is a solid sphere.

C. The nucleus is the center of the atom.

D. Electrons have a negative charge.

Answers

Answer 1

Answer:

B. An atom is a solid sphere

Explanation:

The idea that the atom was a solid sphere paved back to the first atomic model in the 19th century theorized by John Dalton. According to him, an atom is intact and hard and cannot be broken down or divided.

However, many scientists continued to research and it was found that the atom was not actually a solid sphere. It was made up of protons (positively-charged), electrons (negatively-charged) and neutrons (neutrally-charged). This invalidated Dalton's solid sphere model.

Related Questions

Geologists know that wherever plate movement stores energy in the rock along faults,
a.
earthquakes are not likely.
b.
earthquakes are likely.
c.
an earthquake is occurring.
d.
an earthquake could never occur.


Please select the best answer from the choices provided

A
B
C
D

Answers

Answer:

B

Explanation:

If plates are moving and storing energy especially along faults, earthquakes are gonna happen if not already happening.

Geologists know that wherever plate movement stores energy in the rock along faults, earthquakes are likely. The correct option is B. Earthquakes are expected wherever plate movement stores energy in the rock along faults, according to geologists.

What causes an earthquake?

Earthquakes are typically caused by underground rock suddenly breaking and rapid movement along a fault. The seismic waves that cause the ground to shake are caused by this sudden release of energy.

Radioactive energy in the Earth's mantle provides the energy for earthquakes. The heat produced by radioactive decay causes convection in the mantle. This movement is transferred to the Earth's crust, where it stores energy in rocks, similar to how a spring is stretched.

Thus, the ideal selection is option B.

Learn more about earthquakes here:

https://brainly.com/question/1296104

#SPJ3

Which statement is true of wind currents?


Wind currents flow in regular patterns depending on the latitude through which they are moving.


Winds and air currents flow in random patterns that are difficult to predict.


Because of the Earth’s rotation, wind currents all over the globe tend to blow from the southeast or east.


Warm air in the temperate zones sinks below the cold air of polar regions.

Answers

Answer:

I'm pretty sure the answer is number 3

In meteorology, concentrated zones of winds are known as air currents. They primarily result from variations in the temperature or atmospheric pressure. Hence option C is correct.

What is Wind Current ?

Both horizontal and vertical currents are present at the mesoscale, whereas horizontal currents predominate at the synoptic scale. In addition to the troposphere, the stratosphere and mesosphere also contain air currents.

The uneven heating of the Earth's surface is what causes air currents in the atmosphere. Water currents in the ocean are brought on by winds or variations in density.

The Trade Winds, the Prevailing Westerlies, and the Polar Easterlies are these three. As though there were wind belts encircling the planet, each of them governs an area of about 30 degrees latitude.

The Earth's rotation and temperature variations, particularly the differential in heating at the equator and the poles, affect the pattern of the worldwide atmospheric circulation. By moving heat and water, winds affect regional climate and everyday weather.

Learn more about Wind Current here

https://brainly.com/question/28519977

# SPJ 2

Who controls the government in China?
A. the democratically elected parliament
B. the emperor
C. the prime minister
D. the Chinese Communist party

Answers

Answer:

D

Explanation:

Answer:

D. the Chinese Communist party

Explanation:

Which two diseases are mentioned in the Millennium Development Goals because of their prevalence in Third World nations?
A. yellow fever and smallpox
B. malaria and AIDS
C. smallpox and malaria
D. tuberculosis and river blindness​

Answers

Answer:

B is the answer

Explanation:

have to get to 20 characters

Answer:

B) Malaria & AIDS

Explanation:

These two diseases are mentioned in the Millennium Development Goals because of their prevalence in Third World nations.

An interruption in a stream's graded profile of equilibrium is called a

Answers

Answer:

An interruption in a stream's graded profile of equilibrium is called Nickpoint.

You are walking along a stream when you look down and find a narrow bullet-like structure with an amberish color. You identify the fossil as the _________ of a(n) ____________. Inside the brown structure is a smaller striped

Answers

Answer:

A) shell

B) Belemnotheutis

Explanation:

The Belemnotheutis is an extinct coleoid cephalopod genus from the middle and upper Jurassic. It has an inner shell made up of a conical phragmocone apically surrounded by a thin rostrum or guard, which is similar in structure and evolutionary origin to true belemnites' bullet-shaped rostrum, a small forward projected proostracum, and ten arms of similar length hooks.

Cheers!

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