Question

1] when two lines intersect, the pairs of opposite angles formed are congruent​

Answer 1

Answer:

★ ANSWER{\bigstar}★

Endoplasmic reticulum (ER), in biology, a continuous membrane system that forms a series of flattened sacs within the cytoplasm of eukaryotic cells and serves multiple functions, being important particularly in the synthesis, folding, modification, and transport of proteins .