Which property is common to spiral galaxies? open clusters in the halo. globular clusters in the nucleus. on-going star formation and emission nebula in the arms very little internal structure. on-going star formation and emission nebula in the halo?

Gather reliable information to brent make his decision. to gather this information, use newspapers, call insurance companies or look at their web sites, and review consumer magazines and web sites. also, look at the manufacturer web site or for information about gas mileage. list the sources you use and take notes.

Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?

Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.