Which animals might be considered "freshwater" animals if freshwater is between 0-5 parts salt per thousand parts of water? (Diagram B)

the law of original horizontality explains:   why rocks appear in layers. correct answer: b the law suggests that all rock layers are originally laid down (deposited) horizontally and can later be deformed.   the principle is used by geologists to make assumptions about the relative ages of sedimentary rocks.

answer an inhibitory neurotransmitter in the brain;

answer n81.2