Answer: both weigh the same.
This is a very obvious question just because the lead is heavier that does not mean it ways more than the other. One pound of feathers is the same as one pound of lead
To protect it from the acids
Photosynthetic organisms, also known as photoautotrophs, are organisms that are capable of photosynthesis. Some of these organisms include higher plants, some protists (algae and euglena), and bacteria.
The correct answer is B. competitive exclusion.
This law refers to the fact that it is nearly impossible for two species to exist in the same place at the same time together, if they are interested in the same resources. If both species need the same thing to survive, one will have to be stronger while the other one will dwindle in number.
