Which of the following best describes the shape of our Milky Way galaxy?

The movement of Sun from aphelion to Perihelion does not bring a lot of variation in the solar output to the earth, despite earth being closer to the Sun on a perihelion, due to which of these factors?

1. Land and sea breezes

2. Discharge of particles due to solar wind

3. Milankovitch effect

Select the correct answer using the codes below.

Evidence of multiple advances and retreats of glaciers, and the sediment deposits in glacial lakes reveal

1. The occurrence of warm and cold periods in the history of earth

2. Repeated attacks of permafrost on the glacial moraines over centuries

Which of the above is/are correct?

Consider the following statements

1. The gravitation force (g) is not the same at different latitudes on the surface of the earth.

2. Uneven distribution of mass of material within the earth influences the gravitational force as experienced within the earth.

Which of the above is/are correct?

Consider the following about the Geography of the Antarctica continent.

1. It is positioned symmetrically around the South Pole.

2. It lies largely north of the Antarctic Circle.

Which of the above is/are correct?