The iron is attracted to magnet since it is highly magnetic. Sand is not a magnetic material therefore not attracted by the magnet. So the mixture is separated
Photosynthesis if it is a plant cell
The best adapted organisms are most likely to survive
..............4 is D and 6 is A
I would say the last one. Yes, the coral reef in the south is being threaten but, it’s not the only one. Many other reefs are being threatened. Why? To find the problem to this reef you need to find the problems of other reefs and compare the data. Which ever the most problem cause you get rid of that first.
