« previous next »

Author Question: What is one hypothesis for why the crust in the northern hemisphere of Mars is thinner and lower ... (Read 66 times)

Mollykgkg

  • Hero Member
  • *****
  • Posts: 529
on: Jul 27, 2018
What is one hypothesis for why the crust in the northern hemisphere of Mars is thinner and lower than that in the southern hemisphere?
 
  A) a giant impact blasted away crust from the northern hemisphere
  B) it once hosted an ocean of water which eroded away the crust
  C) tectonic activity caused the southern hemisphere to rise up above the level of the northern hemisphere
  D) massive marsquakes caused the northern hemisphere to subside

Question 2

Suppose it is January and the Sun remains above your horizon all day long. Where must you be located?
 
  A) at the South Pole
  B) at the North Pole
  C) somewhere between the Antarctic Circle and the South Pole
  D) somewhere between the Arctic Circle and the North Pole


choc0chan

  • Sr. Member
  • ****
  • Posts: 362
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Percussing Liver Span, Determining Lower Liver Border Percussing Liver Span, Determining Lower Liver Border
Pott’s Occurs at the ankle and affects both bones of the lower leg (fibula and tibia) Pott’s Occurs at the ankle and affects both bones of the lower leg (fibula and tibia)
Vertebral compression Fractures of the spine (vertebra) can cause severe ”band-like” pain that radia Vertebral compression Fractures of the spine (vertebra) can cause severe ”band-like” pain that radia
Lower Limbs & Pelvis Lower Limbs & Pelvis
Productivity in Temperate Oceans – Northern Hemisphere Productivity in Temperate Oceans – Northern Hemisphere
Video: Mechanics of Sound Animation

For a complete list of videos, visit our video library