While the red color of the Martian surface testifies to the presence of lots of iron, the weak magnetic field suggests it may not have a molten core anymore
Indicate whether the statement is true or false
TRUE
You might also like to view...
Thin Lenses: Starting from very far away, an object is moved closer and closer to a diverging lens, eventually reaching the lens. What happens to its image formed by that lens? (There could be more than one correct choice.)
A. The image gets closer and closer to the lens. B. The image gets farther and farther from the lens. C. The image always remains virtual. D. The image eventually changes from real to virtual. E. The image keeps getting larger and larger.
From a particular location on Earth, why can we see many more total eclipses of the Moon than total eclipses of the Sun?
A) the line-up of the Earth, Moon, and Sun needed for a lunar eclipse happens many, many times more often than the line-up needed for a solar eclipse B) the Moon is much bigger in the sky than the Sun C) the Moon is always in the same place in our sky, while the Sun moves around the sky D) a total lunar eclipse is visible over a much larger part of the Earth's surface than a total solar eclipse E) you can't fool me, we always see exactly the same number of total lunar and total solar eclipses from any one location on Earth
A student plays on a see-saw with her experimental android robot, Robby. The student has a weight of 300 N and is seated 2.8 m from the axis of rotation. Robby balances her when he is seated 0.7 m from the axis. Robby's weight is
A. 667 N. B. 1200 N. C. 500 N. D. 725 N. E. 1000 N.
A small gas laser of the type used in classrooms may radiate light at a power level of 2.0 mW. If the wavelength of the emitted light is 642. nm, how many photons are emitted per second?
What will be an ideal response?