All life shares the same evolutionary heritage from an ancestor that appeared 3.8 billion years ago. A. True

B. False

A. True

Explanation:

The last universal common ancestor or last universal cellular ancestor (LUCA), also called the last universal ancestor (LUA), is the most recent population of organisms from which all organisms now living on Earth have a common descent—the most recent common ancestor of all current life on Earth.

A. True

Explanation:

Yes, all life shares the same evolutionary heritage from an ancestor that appeared 3.8 billion years ago.

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.