Mud was required.
A Fossil is the remains (or an impression) of a plant or animal that existed in a past geological ageA trace fossil is the burrows, trails, etc, of an animal.A trace fossil is where something left a mark on something else, and then became fossilized. A body fossil is a fossil of a once living thing.
dinosaurs mostly
fossil.
It refers to organisms that lived in the past.
they can provide history of the past and what geological time frame the fossil was in
Yes.
Yes.
Yes.
Yes.
A Fossil is the remains (or an impression) of a plant or animal that existed in a past geological ageA trace fossil is the burrows, trails, etc, of an animal.A trace fossil is where something left a mark on something else, and then became fossilized. A body fossil is a fossil of a once living thing.
It might be able to show what kind of organism lived in the past, how the organisms and the environment have changed over time.
The past tense is moulded. Note that this is the British and Canadian spelling. The US English spelling is "mold" and "molded".
You dance.
dinosaurs mostly
The past participle is produced.
Fossil fuels (coal, oil and natural gas) were a very valuable source in past, before we realised the effects of their carbon dioxide emissions.
A fossil is a trace of an organism that lived long ago.