Which of the following is a trace fossil? * a mark left by a dinosaur's tail
a mosquito trapped in amber
a mummified plant seed
O a frozen woolly mammoth
which

A. A mark left by a dinosaur's tail.

Explanation:

A trace fossil is the mark or imprint of an animal's body or something it did or left behind, rather than the physical animal itself.

Hope this helps :)

the earth is thought to have been formed about 4.6 billion years ago by collisions from a cloud of hydrogen, helium, rock, ice and other materials. these were pulled together by gravity to form objects in and around earth like- asteroids and small early planets called planetesimals.

so, the best possible answer to this question will be option d- to harden materials to form different parts of earth’s layers

its true i dont know very sorry b much < 3 big fan

explanation: