Which compound contains both ionic and covalent
bonds?
(1) caco3 (3) mgf2
(2) pcl3 (4) ch2o

In an oxidation-reduction reaction, oxidation is what happens when a reactant

Idon’t know how to solve this question

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean