A. is wrong. The digestive system moves food through the body. Not fat.
B. This is true. <span>Proper fat digestion requires that the gastrointestinal tract and the accessory organs -- the liver, gallbladder and pancreas -- work together in perfect harmony.
C. Fat is an essential nutrient but it doesn't contain essential nutrients.
D. Not true.</span>
The reason for this was that Alexander was a great general who saw an opportunity which he had to seize. He knew that by making his empire grow very big, it would make him a better general in the eyes of history, it also meant he would be more powerful. However, he didn't consider the original plan of conquering only Persia the most important thing. His eyes have always been set on conquering as much land as possible, especially after he saw in his first victories that his tactics were working great.
The right answer for the question that is being asked and shown above is that: "b. precision matching principle" The principle to get a good experimental design is known as a precision matching principle.
Answer: New threat or perceived opportunity
Explanation:
According to sociologist doug mcadam, a new threat or perceived opportunity must occur for a social movement to arise. It's been realized by him that what will spur or arise the intentions of a group of people to achieve a goal that was either forgotten, dead or a new one is by a new threat or a perceived opportunity. In most cases threat tends to spur individuals to take situations serious and would want an outcome.
The antennae help the crab hid from predetors and get food. The antennae can also detect if predetors are around.
The crab color is also helpful because it helps crabs camouflage in the (sand)enviroment.camouflage helps them blend in with sand so they wont be snatched up by predators(seagulls) flying in the sky.