The discovery of DNA has allowed us to trace ancestors and find out how early humans lived, what they looked like, and who they were.
Answer:
He identified that diseases are caused by malfunctioning cells.
That all cells arise from pre-existing cells.
Hydrogen bond ! this hold water ( and other molecules with high polarity ) together !
Answer:
Element
Explanation:
Element is a pure substance that cannot be broken down.
Answer:
B
Explanation:
A pit is a tiny depression which is found on the surface of the tooth.
Fissures are the grooves that occur naturally on the biting surfaces of teeth.
Thus, pits and fissures are located on the lingual surfaces of the maximillary first molars because of the lingual fissures on the max molars.
