Answer:
A. The video clip explains that you can also look at water as moving to a HIGHER concentration of salute molecules.
B. Why can it also be viewed this way?
Because there is more salute and less water.
The pectines on a male scorpion is longer because they also use it to find a female to mate with.
Answer: She should Avoid Contact with other people's bodily fluids.
Explanation: Hope that helps! (:
Since the other answer got deleted, i'll just answer it for you.
a sinoatrial node is the main pacemaker that begins each heartbeat located in the junctions of superior vena cava and the right atrium. It signals from the node that spread through the atria and determines the heart rates.
pinkfloyd is wrong the correct answer is B they are both attached to bones
