Can you make a word bold when answering a question on on an ipad, if so how?

What software programs are used to to create professional publication? a.) graphics programs b.) word processors c.) page layout programs d.) spreadsheet programs

In the above figure, what type of cylinder arrangement is shown in the figure above? a. l-type b. v-type c. in-line d. horizontal pls make sure its right if its rong im grounded for 3months

Dereck works for long hours on his computer.  he frequently experiences physical strain by the end of the day because he does not follow an important rule of ergonomics with respect to the use of keyboards.  which of the following actions of dereck could lead to physical strain? a.  placing the keyboard exactly in front of him while typingb.  keeping hands and wrists straight while typingc.  using wrist pads throughout the dayd.  pounding at the keys on the keyboard while typinge.  resting his hands on the keyboard when he is not typing