help Figure $1$ is a rectangular reservoir filled with water with the porosity of $0\mathrm{.}13$ and permeability of $154$ mD $.$ Based on the given figure answer the following question.

Reservoir filled with water

Figure $1$: Rectangular reservoir filled with water.

a$)$ Assuming the water in the reservoir is incompressible, what parameter will affect by the given assumption?

$(1$ marks$)$

b$)$ The engineer calculated the Reynold number, and the value was $2900.$ What conservation of momentum equation suited the following Reynold numbers, and why was this equation chosen?

$(2$ marks$)$

c$)$ If the rock in the reservoir in Figure $1$ is considered incompressible, what parameter will this assumption affect?

$(1$ marks$)$

d$)$ What physics law explains the water flow in the reservoir in Figure $1,$ assuming the reservoir temperature remains constant?

$(1$ marks$)$