Match each front with its description. occluded front
when a warm air mass slides over a cold air
mass
stationary front
when a cold air mass slides under a warm
air mass
cold front
when two cold fronts force a warm front up
and block it from the surface
warm front
when a cold air mass and a warm air mass
meet and do not move

2licl + 3o2 i yook the test and it was correct.

Answerstudying coal cumbustion as an energy source;

Answer(d) unstable compounds that convert to acetals in the presence of alcohol and an acid; (b) semiacetals produced by alcohol subtraction from ketone;

1. why does the same side of the moon always face earthc.the rotational period of the moon is equal to one revolution around earth2. which is greater the moons period of rotation or its period of revolution  b.the moons revolution period around earth3.what was the major accomplishment of the apollo missions  d.landing on and exploring the moon4. which of these space missions involved the deployment of lunar rovers d.apollo5. which scientists are going to explore next on kepler-186fd. evidence of existence of life6.which mission is not going to explore the outside of the solar systemb.safir7.which technology limit the future of space exploration b. scientist must first develop certain technologies before missions can be completed.