Canada, united kingdom, Russia
Hope it helps
So common sence is hard to come by but if you had no common sence back then you would either be poor or rich from the ideas and law suits
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:
<span>Dr. Tepper-Harmon is of the belief that life-span development can't be studied without considering several factors such as biological, cognitive, and socio-emotional dimensions. He holds this belief because he has determined that development is multidimensional, and that no conclusion can be drawn from looking at only one aspect of development.</span>
Always. Quadrilaterals are not always parallelograms, but parallelograms are defined as quadrilaterals with two sets of parallel sides.