What remains after a low-mass or medium-mass star dies?a. a nebula
b. a white dwarf
c. a black hole
d. a neutron star

Answers

Answer 1

Answer: B. A white dwarf remains.

Answer 2

Answer: white dwarf, answer B

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1 2 3 4 5 6 7 8 9 10 in this lesson, we identified many uses of geography. one example is urban planning. how would geography be useful in helping to plan the future of a community? give your response in the form of a short paragraph.

Answers

Answer:1(This isn't the actual answer, it's gonna be in the explanation)

Explanation: Geography can be useful by knowing and understanding the layout of the land you are setting your community on, and also to understand what minerals are in the area so you can base your community around that.

hope this helps!

Why is it important to create and establish political systems?

Answers

Answer:

Political system formation and establishment are crucial because they offer a framework for governing and arranging society. Political structures support the upkeep of law and order, the defense of individual rights, and the equitable allocation of resources. They create laws and institutions that permit dispute resolution through peaceful means and provide everyone a chance to take part in decision-making. In general, political institutions are essential for upholding stability, advancing justice, and ensuring a society's well-being.

What is the difference in density between the oceanic crust and the continental crust?

Answers

The oceanic crust and the continental crust have different densities. The density of continental crust varies but generally falls in the range of 2.6 to 2.8 g/cm³. The oceanic crust's average density is around 2.9 to 3.0 grams per cubic centimeter (g/cm³).

Oceanic crust, which is primarily composed of basaltic rocks, is denser than continental crust. This higher density is due to the basaltic composition, which is rich in iron and magnesium minerals.

The continental crust, which consists mainly of granitic rocks, has a lower average density compared to the oceanic crust. The lower density of the continental crust is primarily attributed to its granitic composition, which contains lighter minerals like quartz and feldspar.

To learn more about the oceanic crust, follow the link;

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3.0 g/ cm3
The density of the oceanic crust Is about 3.0 g/ cm3. The continental crust has a lower density. This difference gave in the average densities allows many natural phenomenon to occur on and below the surface of earth. The oceanic crust scarcely floats on the mantle.

Longshore currents move sediment as theyA. move parallel to the shore.
B. run along the ocean bottom.
C. pound against coastal headlands.
D. flow in circular patterns in ocean basins

Answers

Longshore currents move sediment as they move parallel to the shore.

A longshore current is an ocean current that moves parallel to shore. Longshore currents move sediment as they move parallel to the shore. Correct answer: A

These currents are caused by large swells sweeping into the shoreline at an angle and pushing water down the length of the beach in one direction.

T Object]User: If the Earth's magnetic field is overwhelmed by charged ions, which of the following could happen?
induced currents in power grids
extreme auroras
damage to satellites
all of the above