How old are the oldest sediments that have been recovered by deep-sea drilling? Are they younger or older than the oldest continental rocks?
a. The oldest ocean sediments are 180 million years old and are older than the oldest continental rocks on Earth.
b. The oldest ocean sediments are 180 million years old and are younger than the oldest continental rocks on Earth.
c. The oldest ocean sediments are 4 billion years old and are the same age as the oldest continental rocks on Earth.
d. The oldest ocean sediments are 4 billion years old and are younger than the oldest continental rocks on Earth.
e. The oldest ocean sediments are 4 billion years old and are older than the oldest continental rocks on Earth.
b. The oldest ocean sediments are 180 million years old and are younger than the oldest continental rocks on Earth.
You might also like to view...
On an upper-level chart, normally we find warm air associated with __________ pressure, and
cold air associated with __________ pressure. a. high, high b. high, low c. low, low d. low, high
Rising magma forms volcanic arc if it is in ocean, and it forms island arc if it is on continental margin.
a. true b. false
The dry adiabatic rate (DAR) applies to a parcel of air that is saturated
Indicate whether the statement is true or false
To address the economic condition of his country in 2000, Ecuador's president announced that the country would adopt the US dollar as its main medium of exchange.
a. true b. false