Mantle I think idrk cuz of erosion
Answer:
Kepler's third law of planetary motion
Explanation:
Kepler's third law of motion gives the relationship between a planet’s distance from the sun and the amount of time it takes the planet to orbit the sun. Its formula is given by :
Where
T is the time taken by the planet to orbit the sun
M is the mass of sun
G is the universal gravitational constant
a is the distance of planet form the sun
Answer:
Electromagnetic waves travel in a vacuum with a definite and unchanging speed.
When electromagnetic waves travel in vacuum, there is a definite, constant ratio between the magnitudes of the electric and magnetic fields.
Explanation:
Electromagnetic waves are waves that come about due to the vibrations generated between an electric field and a magnetic field. There is presence of oscillating magnetic and electric fields and the two statements mentioned above best describes it's properties.
Answer:
Both pairs have four pairs of perpendicular sides.
Explanation:
A rectangle and a square both have four right angles and four perpendicular lines.
Answer: neither accurate nor precise
Explanation:
Showing that it should be near 9.8 m/s and the trials aren't near that accuracy, I would say neither.