Which of the following would increase the rate of heat exchange between an animal and its environment?
a)blubber or fat layer
b)feathers or fur
c)vasoconstriction
d)countercurrent heat exchanger
e)wind blowing across the body surface

1.the evidene of the reaction

2.yes

3.yes

i tried the eyeshadow trick you told me about and it worked so good i i did a yellow going into orange colors and it was bright and you could see it on my eyes

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.