Question

. We waited here for long. (into present perfect continuous)

Answer 1

Answer:

The nucleus was also described by Franz Bauer in 1804 and in 1831 by Scottish botanist Robert Brown in a talk at the Linnean Society of London. Brown was studying orchids under microscope when he observed an opaque area, which he called the areola or nucleus, in the cells of the flower's outer layer.

Answer 2

Answer:

we have been waiting here for a long time