Which describes why radioisotopes can be used as tracers in studying the biological and chemical processes of plants?

Which statement is true for light passing into a medium that is more optically dense than the first medium through which it past

What statements accurately describe atoms

Determine the change in width a, height b, thickness t when a plate is subjected to the uniform distributed load and is made of material having modulus of elasticity e=230 gpa and poisson's ratio ν=1/3. given : a=400 mm and b= 300 mm also the uniformly distributed load in downward y direction of plate is 2 mn/m and in the positive x direction is 3 mn/m and t=20 mm