Why are truly random distributions rare in nature?
a) individuals of a particular species often need certain types of conditions to survive and grow, so more individuals are found in these areas.
b) resources are unevenly distributed across most landscapes.
c) many species have social behaviors that promote clusters of individuals for increasing foraging success or for predator avoidance.
d) none of these all of these

A) Individuals of a particular species often need certain types of conditions to survive and grow, so more individuals are found in these areas

Explanation:

Due to evolution, most species have specific characteristics that help them survive in a particular environment... the most studied is the Galapagos birds that have different beaks but certain characteristics of the birds are found only on certain islands

the real answer is b. scintillation counter

compost can be added to topsoil as a:

pesticide