A) What kinds of living things get their energy directly from the sun? B) Where do consumers get their energy?
C) Why is sunlight important to animals that eat other animals?

a) he encouraged islamic schools to introduce greek texts.

d) he invited greek scholars to teach their texts to the locals.

explanation:

sentence lenght varies according to word choice.you select which word to use and that will require to use other expressions that collocate with the word chosen.sentence length will vary   according to the choice of words you make to express your ideas.  

a few things can be inferred from the excerpt. one thing is the fact the husband and his partner are so comfortable/intimate with each other they don't feel the need to use proper english with one another. another thing is the character has a different relationship with their mother than they do with the husband.