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:
. Medieval monks indulged in various manual tasks such as washing and cooking, producing wine and ale.
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Answer:
Seventy years ago, Victory in Europe Day marked the beginning of the end of World War II. May 8, 1945, also marked the birth of a new international system of norms and ideals, conceived to ensure peace, security and prosperity for all nations.
Explanation:
The desert dwelling goats that spend their time in the steep mountainous terrain is Nubian Ibex.
Nubian Ibex can be regarded as Incredibly agile creatures that likes using most of their time on steep mountainous terrain.
It should be noted that their movement on the mountain helps them in predator avoidance and for adaptation. The Nubian Ibex can easily move up as well as moving down the precipitous cliffs.
We can conclude that these mountainous terrain are usually considered to be very dangerous for other wildlife but considered a good habitat for Nubian Ibex.
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