Air pollution declined significantly during the 1930s
Indicate whether the statement is true or false
TRUE
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What is isostasy? How does isostasy affect the placement of oceanic crust versus continental crust?
What will be an ideal response?
What is the most important aspect of Mendel's genetic studies?
A)Chance is the most critical factor in change. B)Genes controlling traits do not blend during inheritance but are transmitted as discrete entities. C)The traits which an organism inherits are the average of the end member alleles. D)If particular traits do not appear within two generations, they are lost from the species. E)Traits are controlled by single genes.
Which of the following describes how a double bond is treated in the VSEPR model?
A) as two single bonds B) as two nonbonding pairs C) as a single region of electron density D) none of the these
Scientists usually experiment by collecting data
A. only from other researchers and comparing their results. B. from as large a sample as possible. C. from one source only. D. from their relatives.