Paragraph 8 is mostly about __. A. biospheres of Earth and all living organisms
B. biospheres of Earth and all living organisms
C. the importance of biological diversity in the ecosystem
D. the interaction of the interrelated ecosystems

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?

What’s the theoretical yield of solid lead

What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.