Yes they did. It is generally known that amphibians breathe through their skin.
Answer:
It would contain four electrons.
Explanation:
A neutral atom has equal numbers of protons and electrons. Therefore, a neutral atom with four protons will also have four electrons.
FYI an atom with four protons is an atom of the element beryllium, Be.
C. Florida black bears have less territory and cannot risk a long hibernation.
Answer:
1. Life, exist 2. pre-existing cells.
Explanation:
Also the alimentary canal or digestive tract