The existence of a living human being
Answer:
D) Some ancestors of Homo sapiens have not yet been identified.
Answer:
O N C H
Explanation:
Oxygen has more valence electrons present in its outermost shell which is why it is the most electrovalent.
Nitrogen follows suit too while the remaining aren’t electronegative but electropositive
Answer:
Objects do not get cold, they
=》 lose thermal energy
Explanation:
if the temperature around any object is cool, or if the object is in contact with cold object, the heat ( thermal energy ) transfers from that object to cooler environment, and that's how the object starts being cold.