As seen from Mars orbiters, ______________ and ______________ are cut, possibly by sudden floods or drainage that occur on a longer timescale

Fill in the blank(s) with correct word


outflow channels, valley networks
or
valley networks, outflow channels

Physics & Space Science

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A solenoid with an air core has a magnetic field pointing along its axis in the positive x direction. This solenoid is then filled with a diamagnetic material. What changes will this make to the magnetic field along the axis of the solenoid?

A) The field will point in the -x direction with a smaller magnitude. B) The magnetic field will not change. C) The field will point in the same direction with a larger magnitude. D) The field will have the same magnitude but will now point in the -x direction. E) The field will point in the same direction with a smaller magnitude.

Physics & Space Science

A brass wire (d 5 2.0 mm, E 5 110 GPa) is pretensioned to T 5 85 N. The coefficient of thermal expan- sion for the wire is 19.5 3 1026/°C. The temperature change at which the wire goes slack is approximately:

(A) 15.7 °C
(B) 212.6 °C
(C) 112.6 °C
(D) 218.2 °C

Physics & Space Science

Which of the following methods describes the transit method for detecting extrasolar planets?

A) regular changes in the positions of the parent stars with respect to more distant stars as they move across the sky B) detection of Doppler shifts in the spectra of the parent stars C) detection of brightness changes in a star as a planet passes in front of it D) detection of reflected starlight

Physics & Space Science

State the Second Law of Thermodynamics

What will be an ideal response?

Physics & Space Science