You are listening to the news when you hear that a cold, dense air mass is coming to displace a warm air mass, which will force the warm air to rise steeply. You identify this
as a:
O a. Warm Front.
O b. Cold Front.
O c. Occluded Front.
O d. Stationary Front.

How many liters of hydrogen gas will be produced at stp from the reaction of 7.179×10^23 atoms of magnesium with 54.219g of phosphoric acid (h3po4) the equation is 3mg + 2h3(> mg(po4)2+3h2

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

May someone me with these science questions