Answer:
What type of plants are extinct?
Explanation:
Prehistoric extinctions
Cooksonia.
Archaefructus.
Abies milleri.
Dillhoffia.
Trochodendron nastae.
Araucaria mirabilis.
Araucarioxylon arizonicum.
Sphenophyllum miravallis.
Answer:
A clade needs a derived characteristic. If mammals were a clade, their derived characteristic would be having hair.
Amount of material that has not decayed
Answer:
D. potential energy to kinetic energy
A. True, a galvanometer is a device used to measure electrical currents
