Answer:
this is not science questions it is of maths
Platelets act like a temporary plug to prevent more blood loss, they act like a blood clot.
Fossils only form if certain qualifications are met, and some organisms cannot meet them, so they just cease to exist, not a single sign of them. This could happen if they were organisms that decayed completely. Fossilization can include freezing, drying, and encasement, usually in tar or resin.
They help pump blood at a greater distance than Atria can.
The government's use of the PATRIOT Act was created to protect citizens from dangerous acts of terrorism.
