Question

subtract the sum of ( - 145 ) and ( - 432 ) from the sum of ( 153 ) and ( - 402 )

Answer 1

Sum of -145 and -432 = -577

Sum of 153 and -402 = -249

Substraction of their sum:

Substraction of their sum:-328

Therefore, on subtraction the sum of ( - 145 ) and ( - 432 ) from the sum of ( 153 ) and ( - 402 ) we will get -328 as answer.

Answer 2

Answer:

Egg cell or ovum: haploid female gamete (egg cell in plants, ovum or egg in animals) forming a zygote after fertilization, which gives rise to the diploid embryo. ... Embryo sac: the female gametophyte of a flowering plant, which develops within the ovule, protected by the nucellus and the integuments of the ovule