Answer:
c)ranges in age, the oldest ocean crust is in the Atlantic and the youngest is in the Arctic
Explanation:
Oceanic crust slowly moves away from mid-ocean ridges and sites of seafloor spreading. As it moves, it becomes cooler, more dense, and more thick. Eventually, older oceanic crust encounters a tectonic boundary with continental crust
Answer:
Australia is smaller than Europe and the world's smallest continent, with an area of 9,008,500 square kilometers. Europe is the second smallest continent, with 10,180,000 square kilometers.
Explanation:
Uranus and Neptune are considered ice giants. An ice giant is a planet composed mainly of elements heavier than hydrogen and helium such as oxygen, carbon, nitrogen, and sulfur.
Answer:
c) As seen from Earth, the planet's orbit must be seen nearly edge-on (in the plane of our line-of-sight)
a) You must be able to precisely measure variations in the star's brightness with time.
g) The planet must have an orbital period of less than about 1 year.
Explanation:
Answer:
Only one side of the Moon is visible from Earth because the Moon rotates on its axis at the same rate that the Moon orbits the Earth
