What would be the effect on blood flow if some arteries lost their elasticity? a) no affect on blood flow b) increased blood flow because of a more rigid structure c) decreased blood flow due to limiting the amount of blood d) impossible to predict the change in blood flow with these conditions

The answer is B i think.

The answer is atmosphere. there are four spheres of the earth: 1. geosphere (from greek word 'geo' = ground), 2. hydrosphere (from greek word 'hydro' = water), 3. biosphere (from greek word 'bio' = life), and 4. atmosphere (from greek word 'atmo' = air). a magnetosphere is a region of space around astronomical objects controlled by the magnetic field of that object. through the process of elimination, since lightning is present in the air, it can be found in the atmosphere.

The correct answer is c