Which rock type makes up approximately 90% of Earth's crust?
A) Igneous B) Metamorphic C) Sedimentary
A
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Which of the following is accurate with regards to the balance of nature hypothesis?
a. It is currently viewed as the most accurate description of how ecological succession can arise at a climax community. b. It is the historically held equilibrium model of succession in which, once achieved, a climax community will be dominated by a few long-lived plant species. c. It suggests that there are always an appropriate number and diversity of producers to allow an ever-increasing number of primary consumers to inhabit a changing community. d. It suggests that the pathway of ecological succession is not predictable. e. It is an example of something that scientists were able to disprove conclusively.
A(n) ________ is an area along an active fault zone that is likely to produce large earthquakes, but has not done so recently
Fill in the blank(s) with correct word
According to the National Oceanic and Atmospheric Association (NOAA), how much has Earth's average global average temperature risen since 1880?
A. 0.8° C (1.0° F) B. 0.8° C (1.4° F) C. 0.5° C (1.0° F) D. 1.0° C (33.8° F)
It is well known by now that industrial production usually entails pollution of some sort, and often hazardous production practices. And yet this production continues. On what basis are these practices usually defended? What are some of the counter- arguments?
What will be an ideal response?