True or False: There is direct geologic evidence about Earth's earliest crust
Indicate whether this statement is true or false.
Answer: FALSE
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The designation of sediment grain size, from largest to smallest, is gravel, sand, ____________________, and ____________________
Fill in the blank(s) with correct word
The Cretaceous extinction event was uniformly disastrous to all marine and nonmarine organisms
Indicate whether the statement is true or false
For which types of elements do we sometimes use the "ous/ic" system in naming ions?
A) alkali metals B) halogens C) noble gases D) transition metals
There are actions that everyone can take to help reduce water pollution. Pollution will not, however, be reduced if we ____.
A. fertilize gardens and lawns with manure or compost instead of fertilizers B. minimize use of pesticides C. prevent yard wastes from entering storm drains D. do not flush unwanted medicines down the toilet E. buy commercially produced foods