The correct response is the radioactive decay of uranium to lead. This method of radiometric dating allows scientists to determine the age of zircon minerals, which has provided evidence that Earth is at least 4.3 billion years old.
Which allowed scientists to determine that Earth was at least 4.3 billion years old?(1 point)
Responses
the radioactive decay of uranium to lead
the radioactive decay of uranium to lead
magnetic field surrounding zircon
magnetic field surrounding zircon
the electrical conductivity of uranium ions
the electrical conductivity of uranium ions
chemical reactivity of zircon ions
3 answers
Which evidence of the giant impact theory suggests that Earth and the moon may have once been in the same place?(1 point)
Responses
The temperatures on Earth and on the moon are similar.
The temperatures on Earth and on the moon are similar.
The composition of moon rocks and some Earth rocks are similar.
The composition of moon rocks and some Earth rocks are similar.
The amount of water on the moon and on Earth is similar.
The amount of water on the moon and on Earth is similar.
The type of gases in the atmospheres of Earth and the moon is the same.
The type of gases in the atmospheres of Earth and the moon is the same.
Responses
The temperatures on Earth and on the moon are similar.
The temperatures on Earth and on the moon are similar.
The composition of moon rocks and some Earth rocks are similar.
The composition of moon rocks and some Earth rocks are similar.
The amount of water on the moon and on Earth is similar.
The amount of water on the moon and on Earth is similar.
The type of gases in the atmospheres of Earth and the moon is the same.
The type of gases in the atmospheres of Earth and the moon is the same.
The correct response is The composition of moon rocks and some Earth rocks are similar. This similarity in composition supports the giant impact theory, suggesting that the Earth and the Moon may have originated from the same material due to a massive collision.