Climate warming has been demonstrated by direct measurement of___ and by measurements of various effects of warming on Earth's systems. A: temperatures
B: particles
C: pollution
D: jet stream

The yellow river is also known as the huang he river? true or false

Which evidence is most likely used to indicate the beginning of solar system formation? a. materials combined to form a mass. b. materials were pulled together by gravity. c. water condensed and collected to form oceans. d. different species of microorganisms lived on earth.

Answer this asap. why did the americans go to china? a. trading b. exploration c. land d. live stock