Which was not a result of the 1898 discovery of the four blood types and advances made during the two World Wars? improved blood transfusion safety
effective blood preservation solutions developed
ability to separate different parts of blood for different uses
all blood types made compatible with each other

in 1972 the fluid—mosaic membrane model of membrane structure was proposed based on thermodynamic principals of organization of membrane lipids and proteins and available evidence of asymmetry and lateral mobility within the membrane matrix [s. j. singer and g. l. nicolson, science 175 (1972) 720–731].

compost can be added to topsoil as a:

pesticide

true is the

the answer would be d : p