A. There are double bonds present in the fatty acid chains of a polyunsaturated fat but none in a saturated fat.
That is the right answer >_>
B. Being Biased as scientists want concrete facts that haven't been influenced by bias or outside forces.
Answer:
The correct answer is b. The oldest generally accepted fossils of large animals range in age from 565 to 550 million years old.
Explanation:
The oldest one of them all is the hematite tubes, that are dated about 3.77 billion to 4.2 billion years and it's from a yet unknown bacteria.
Answer:11,508 liters per week
Explanation: Since the turner family uses 548 liters per day and the hill family uses 3 times that much you would multiple 548 by 3 giving you 1,644 liters per day. 1,644 liters is the amount of water they use in one day so you would have to multiply the amount of water used in one day with the total days of the week. Therefore 1,644x7= 11,508 liters per week.
They are formed into polymers.
