Answer:
Explanation
Water in a lake freezes from the bottom up, killing most aquatic organisms. When water in a lake freezes, it floats, providing insulation for organisms below. ... If water were most dense as a solid, lakes would freeze from the bottom up, eventually freezing solid.
Answer:
B. Old world monkeys
Explanation:
The Old World monkeys (including baboons) inhabit Africa and Asia, and are more closely related to apes. They are generally larger than New World monkeys, have more elongated faces, and have a tail that is not "prehensile".
Without knowing your previous answer I would say C
Answer:
The action potential has three main stages: depolarization, repolarization, and hyperpolarization. Depolarization is caused when positively charged sodium ions rush into a neuron with the opening of voltage-gated sodium channels.
Explanation: