Question

question 3 (1 point) donald meeker was instrumental in updating the font of school crossing signs international railway signs airport security signs white - on - green interstate freeway signs question 4 (1 point) an identifying mark or trademark is referred to as a logo a letterform a serif a font

Explanation:

Donald Meeker was involved in updating the font of white - on - green Interstate freeway signs. An identifying mark or trademark is commonly known as a logo.

Answer:

Question 3: white - on - green Interstate freeway signs
Question 4: a logo