Who are the main character's in the beginning of the story, Protagonist vs. Antaganist

In what ways have the people of the netherlands changed the physical geography of their land

Which of the following is a way that advancements in technology improve humans' ability to measure air quality and protect human health?

Compare the quantity in column a with the quantity in column b. pa p a is tangent to the circle at a. column a column b ap a p ax a x question 4 options: the two quantities are equal. the quantity in column a is greater. the relationship cannot be determined from the information given. the quantity in column b is greater.