Question

find out the four figure grid references of
1.non perennial tank with embrakment of 3m relative height.
2.lined well with 20m relative depth​

Answer 1

Fertilization can be defined as the union of two haploid gametes, the spermatozoa and the oocyte, hereto referred to as egg, to restore the diploid state, form a zygote through the process of egg activation, and commence a series of mitotic divisions that results in cell differentiation and embryo development.