Do you think the earth has more or less water than thousands of years ago

Amountain created from tectonic activity would be considered which type of landform ? a) primary landform b) secondary landform

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

Which of the following statements best describes the quantity theory of inflation? a.inflation occurs because production cost rise and this cost increase is passed on to consumers in the form of higher prices b. inflation occurs because there is too much money in the economy c. inflation occurs because demand of good and services exceeds existing supplies d. none of these