Which of the following is different between polar and nonpolar molecules?
The presence of charges on the atoms
The presence of covalent bonds
The number of atoms in the molecule
The number of electrons shared
Please answer fast

Whats one way that rocks do not follow the typical rock cycle pathway?

Cpr, or cardiopulmonary resuscitation, is a first-aid technique to save lives. it involves compressions of the patient's chest cavity. which description is the best description of the functions of chest compressions in cpr? chest compressions are done to pump the heart. chest compressions are done to strengthen the rib bones. chest compressions increase carbon dioxide inhalation. chest compressions allow the patient's muscles to wake up.

Which of the following is the sl unit used to measure temperature a. kilogram b. liter c. meter d. kelvin