What has most likely allowed people to have a better understanding of the landscape of Mars in recent times?

improved technology
more limited methods
increased interest in space
movies and books about Mars

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.