On a hot summer day, you notice a line of dark clouds forming. based on this observation,
you go back inside and get an umbrella. what scientific skill have you used?
a.)classification
b.)prediction
c.)communication
d.)quantitative observation

i got something better   a catchphrase here it is

ahem  

ahem

what the squwock

explanation:

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.