Question

there is an error in each line

Answer 1

here you go ☆☆

1.
A. at 》 is

b. that》 this

c.in》 to

d.organ》 organs

2.
A. source 》sources

b..an》 the

c.with》 which

d.knows 》known

3.
A. comprise》 comprises

b.is》 are

c.a》 of

d.core》 cores

hope it helps you.......