Most likely rivers I’m not completely positive tho
Answer:
Birds’ feathers are designed to be light but very strong, flexible but very tough. Although it looks like feathers grow all over a bird, they actually grow in specific areas called feather tracks. In between the feather tracks are down feathers. This keeps the body weight down.
Feathers are made of a tough and flexible material called keratin. The spine down the middle, called the shaft, is hollow. The vanes are on the two halves of the feather. They are made of thousands of branches called barbs. Because there are many spaces between these barbs, a feather has as much air as matter.
Explanation:
Answer:
The statement that accurately describes a result of the Crusades is C. Crusaders brought back new ideas about science and medicine from the Islamic world.
Hope this helped :)
Explanation:
The answer is letter A. Prioritizing which actions you should take which is not part of the decision making model. The following are some of the steps included in the decision making model:
B. weighing the pros and cons of each option,
C. Evaluating your values.
D. Reviewing your decision.
Answer:
Hand washing has external health benefits, helping prevent the spread of communicable diseases. If a program were somehow devised so that people received a small reward every time they washed their hands, we would expect the frequency of hand washing to increase.
Explanation: People who are given something (A reward of some sort) are proven to do something more, (in this case washing their hands more), or better then they would do without a source of motivation.
