Answer
satellite sensory on buoys
They are able to carry on photosynthesis longer then deciduous trees which lose thier leaves
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.
It is B. Because you cannot give internal fertilization/ live birth inside.
I believe the answer is it can form polymers like carbs, lipids, proteins, and nucleic acids.