3. B
4. A
5.A
6. A (i think)
Hope this helps
Answer: D. Slow down the chain reaction by absorbing free neutrons
Explanation: just got it right on the quiz A P E X
Theyre temporary magnets, so they can be turned on and off.
Answer:
D) B and D. Weak tides, called neap tides, are experienced in the Earth's oceans when the sun is in positions B or D. In this case, the sun and moon interfere with each other in producing tidal bulges on Earth. It is definitely not the other answer since I got it right on USATESTPREP.
One is through sublimation, where the mixture is heated and iodine gets converted into gaseous form, leaving behind the iron fillings.
The other is to get a magnet near the mixture and all the iron fillings get attracted to it while iodine will be left over
