Why do young barn owls need feathers

The owls feathers are very soft, the flight

feathers are covered in a thin hair- like

structure that traps air within the feather

surface. They generally avoid hunting in rain

as wet feathers increase noise and

reduce efficiency.

Explanation:

young barn owls need feathers to keep them warm

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation:

the truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey.