The last one...
there are not enough bicycles for the residents of the kilbarchan home for boys.
B. Grammer is spelled incorrectly , it should be grammar.
A mother fulfils her child's needs and wishes.
And the last one could be when the mother is at her weakest she still tries be strong, because her child needs to rely on her.
Answer:
Calculate the speed of a wave that has a wavelength of 8 meters and a frequency of 16 meters per second (m/s).
The answer is D. Kindhearted